[Addendum]6/18/2026 Update Information

[Addendum 6/18] ・Adjusted the description of the changes made to the accessory Genbu. ・Added a bug fix regarding the Vanguard Swap Character Okada Izo.

Greetings from the Onigiri Service Team. The details of the 6/18/2026 JST update are as follows:

Update Details

・Vanguard Swap Character Enhancement Part 3!

The characters receiving enhancements in Part 3 are [Genbu] [Siegfried] [Takeda Shingen]!

Powerful [Vanguard Ability], such as increased damage dealt against specific Youkai elements, will be added, and skill balance adjustments will also be made.

Please see the announcement below for details on the balance adjustments. Balance Adjustments on 2026/6/18 JST

・New Nyankoropon Available!

■Character Enhancement Limited Nyankoropon!

The Vanguard Swap characters enhanced in this update, [Genbu] [Siegfried] [Takeda Shingen], will be included in the lineup! The [Innate Elixir] will also be included as a bonus for the 5-spin option!

■Inuchiyo - Broken Seal Limited Nyankoropon!

[Inuchiyo - Broken Seal] returns!

Please check here for details on the new Nyankoropon. *Japanese language only

◆Nyankoropon Availability Period From maintenance on 2026/6/18 JST Until maintenance on 2026/7/9 JST

・Event [The Mystery of the Master and the Summer Festival] Returns!

～Story～ Someone bit through the obijime left behind by Matsu, leaving Inuchiyo unable to return to the form of Toshiie. Just then, Sasuke, who had rescued a bullied turtle and brought it along with him, happens to pass by. When the turtle sees the main character and Inuchiyo, it spits out a mysterious talisman...

During the event period, you can travel to the field [the festival grounds] from the NPC [Conductor Popogorou], who is located at [Onigashima Station] in the northwest of Onigashima. You can progress through the event quests by speaking to the NPC [Sarutobi Sasuke] at [the festival grounds].

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■About the Vanguard Swap Character [Sarutobi Sasuke Sailor Suit] In this event, you can obtain the [Summoner's Scroll] for the event-limited Vanguard Swap character [Sarutobi Sasuke Sailor Suit].

●How to Obtain the Item [ummoner's Scroll-Sarutobi Sasuke Sailor Suit ] Item Exchange [Sarutobi Sasuke] [3] Inuchiyo Treasure Chest Nyankoropon [7]

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■About the Event Dungeons By progressing through the quests and clearing dungeons, you can obtain event items. Collect event items and exchange them for reward items at the Exchange Shop. If certain conditions are met, such as unlocking characters or equipping items, you can obtain more event items upon clearing the dungeon. In addition, some characters have bonuses that provide advantages in battle.

■List of Characters and Items with Bonuses 【Partner Characters】 Inuchiyo - Broken Seal, Genbu, Sarutobi Sasuke, Houou, Ono no Komachi, Nidaime Ibaraki Douji Ibaraki Douji - Summer Sky, Sarutobi Sasuke Sailor’s Suit

【Accessories】 nucho - Broken Seal, Genbu, Shashuke, Hoouoou, Komachi, Ibuhraki Dawji - Nidaime Ibuhraki Dawji - Summer Sky, Shashuke Sailor

※Please check the [Bonus] button on the dungeon panel for bonus details. ※For Vanguard Swap characters, please clear the dungeon after using an unlock item such as the corresponding character's [summoning scroll] and unlocking the character. ※Please clear the dungeon while the accessories are equipped.

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■About Event Rewards As you progress through the event quests, Exchange Shops and Treasure Chest Nyankoropon will be unlocked for NPCs. The items used by each NPC and the dungeons where the items can be obtained are as follows.

■Item Exchange [Sarutobi Sasuke] Required Item: Juicy Banana Item Acquisition Dungeon: Jabber Island [Clear Reward]

■Item Exchange [Ibaraki Douji] Required Item: Soft Tail Item Acquisition Dungeon: Shadow Grotto [Clear Reward]

■InuchiyoTreasure Chest Nyankoropon Required Item: Glistening Eggshell Item Acquisition Dungeon: Munch Island [Drop Reward] Number of Boxes: 7

■GenbuTreasure Chest Nyankoropon Required Item: Crystal of Decease Item Acquisition Dungeon: Sea of Shadows [Drop Reward] Number of Boxes: 30

◆About Sea of Shadows [Inuchiyo Broken Seal] and Sea of Shadows [Genbu] In the dungeons [Sea of Shadows [Inuchiyo Broken Seal] and [Sea of Shadows [Genbu], all of the above items can be obtained as clear rewards.

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■Changes Made for the Rerun With the rerun of [The Mystery of the Master and the Summer Festival], the following changes have been made. ・[The Mystery of the Master and the Summer Festival] and [Summer Event Part 2] have been changed into a single quest. Due to this change, even characters that have cleared the same event in the past will need to accept the event quest again. ・The items [Ripened Banana] and [Tenacious Tail] will no longer drop. They cannot be used at Exchange Shops or similar facilities. ・Some dungeons where Partner Characters are forcibly brought along have been removed, and new ones have been added. ・The recommended level, Energy cost, and reward contents of each dungeon have been changed.

Other minor details have also been adjusted.

◆Event Period From maintenance on 2026/6/18 JST Until maintenance on 2026/7/9 JST

・Outfit Change Sailor Uniform Available!

[Outfit Change] that allow you to change the outfits of [Siegfried] [Houou] [Amakusa Shiro] [Oda Nobunaga - Thunderbolt] will be available!

In addition, [Outfit Change Sailor Uniform] for the following characters will also return! [Miyamoto Musashi] [Izuna] [Tokugawa Ieyasu] [Akechi Mitsuhide] [Uesugi Kenshin] [Ono no Komachi] [Maeda Keiji] [Murasaki Shikibu] [Maeda Toshiie] [Battle Maiden Shizuka] [Sesshu] [Abe no Seimei] [Sarutobi Sasuke] [Fuma Kotarou] [Loyal Soldier Yoshitsune]

These Outfit Change will be available at the Shopping Plaza as [Sailor Pack] and [Uniform Pack].

■Pack Contents ・Outfit Change x1 ・Limited Gacha Ticket x5 ・Smelting Amulet Transcendent Fortune x1 ・Oranmentation Amulet Transcendent Fortune x1 ・Max Durability +500 Ticket x1

Price: 200 OC [Paid] Stock: 1 each

※[Izuna Sailor Pack] contains one Outfit Change each for [Izuna] and [Izuna Tri-Tails]. ※[Kenshin Sailor Pack] contains one Outfit Change each for [Uesugi Kenshin] and [New Dawn Kenshin].

◆Pack Sales Period From maintenance on 2026/6/18 JST Until maintenance on 2026/7/9 JST

・Limited-Time Furniture Available!

The mini character furniture for [Inuchiyo Broken Seal] returns!

■Available Furniture [Reclining Inucho - Broken Seal] [Limited Time]

Price: 25 OC [Free] Stock: 1 each

◆Sales Period From maintenance on 2026/6/18 JST Until maintenance on 2026/7/9 JST

・The following accessories will receive balance adjustments.

■Meeroku - Hero ・The Attack increase value will be changed. 10% → 20% ・The Skill Force increase value for skills of Rank 1 or higher will be changed. 5% → 10% ・The Lightning element increase value will be changed. 10 → 20 ・The Heavenly element increase value will be changed. 10 → 20 ・The Sword Ability increase value will be changed. 30% → 70% ・The following options will be added. Ice element +20 Slice element +20 Movement Speed +15

■Sheengen ・The following options will be added. Slice element +25 Axe Ability +50%

[Addendum] ■Genbu ・The SP increase value will be changed. 15% → 25% ・The Attack increase value will be changed. 10% → 20% ・The Rain element increase value will be changed. 10 → 25 ・The Dark element increase value will be changed. 10 → 25 ・The Sword Ability increase value will be changed. 30% → 70% ・The following options will be added. Attack +20% Impact element +30

・The following items will be added to the NPC [Yorozu Exchange]. [Summoner's Scroll-Inuchiyo Broken Seal-] [Summoner's Scroll-Genbu-]

・In the dungeons [Assault! Dark Fin] and [Assault! Dark Fin (Limited)], players will now become incapacitated when falling from floating islands.

Bug Fixes

・Fixed a bug where the Vanguard Swap character [Amakusa Shiro] would appear in the default outfit while mounted during Vanguard Swap.

[Addendum] ・Fixes an issue where, for the Vanguard Swap Character [Okada Izo if the player is hit by an attack from the Sword/Bow Phase of the enemy [Okada Izo] in the dungeon [Operation Destruction Prevention] while the Invincibility buff from the skill [Boundless Reversal] is active, the client may force close and prevent the player from returning to the dungeon.

Cumulative Purchase Campaign!

※The campaign name has been changed. The contents are the same as the [Cumulative Purchase Bonus Campaign], which has been held continuously until now.

During the campaign period, when your cumulative purchased OC reaches the following amounts, items will be sent to your account's Present Box.

■Present List

◆Campaign Period From 2026/6/18 12:00 JST Until 2026/7/9 11:59 JST

◆Item Claim Deadline Until 2026/7/9 11:59 JST

Please check here for more details. Cumulative Purchase Campaign!

Ending Events

・Event [[Burning Shinobi and the Cursed Town] will fully end. With the full end of the event, event NPCs will no longer appear, and event items will no longer drop.

・The following dungeon will end. Assault! Dragon Ark Gakuhou -Purgatorium- With its end, the following item will be converted into Purgatorium Junks. Purgatorium Treasures

・The following Nyankoropon will end. Fallen Angel Nyankoropon Sublime Ougi Nyankoropon Super Magatama Nyankoropon Kirigakure Saizo Limited Nyankoropon Fallen Angel Limited Nyankoropon Premium Nyankoropon 1&2 Sublime Ougi Limited Nyankoropon Super Magatama Limited Nyankoropon

・Sales of the following items will end. Fallen Angel Pack (Male) Fallen Angel Pack (Female) Saizo Sailor Pack Kirigakure Saizo Swimsuit Pack Reclining Shaizo Kirigakure Saizo Random Poster

・The following item will be removed from the NPC [Yorozu Exchange]. Summoner's Scroll-Kirigakure Saizo-

・The following items will be deleted. Energy Restorative 50 LTD Full Energy Restorative -LTD- EXP Boost +200% (60Min.) - LTD EXP Boost +300% (60Min.) - LTD Ryou Boost +200% (60Min.) - LTD Ryou Boost +300% (60Min.) - LTD Drop Boost +200% (60Min.) - LTD Drop Boost +300% (60Min.) - LTD Torn Piece of SP Gacha Ticket SP Gacha Ticket Premium Gacha Ticket Limited Gacha Ticket

Notice

・The following items obtainable from events, campaigns, and the Shopping Plaza are scheduled to be removed during the maintenance on 7/9/2026 JST. Rooster Gacha Ticket Rooster Limited Gacha Ticket Rooster Gacha Ticket Fragment Rooster Limited Gacha Ticket Fragment …as well as other items with -LTD- in their names

Other details can be found here.

6/18 Update Contents

*Japanese language only

Thank you for your attention! ※Images are created during development and are subject to change. ※Update details are liable to change without warning and may not reflect in-game.

Thank you for your support for Onigiri!