[Collaboration Event!] 'Rooster Fighter' x 'Onigiri' Collaboration Event Starts March 26th (Thursday)!

CyberStep Co., Ltd. is pleased to announce that a collaboration event with the comic 'Rooster Fighter' will begin on March 26, 2026 (Thursday) in the Japanese-style MMORPG 'Onigiri' for PC and PlayStation 4.

'Rooster Fighter' is a comic serialized on the manga site 'HERO'S Web,' operated by Hero's Inc., with a TV anime adaptation scheduled to begin broadcasting on April 5, 2026 (Sunday). The collaboration event will feature an original story titled 'Iccho Tosen' (One Bird Against a Thousand), and the character 'Keiji' will appear as a mountable combat character.

In addition, to commemorate the event, multiple campaigns will be held, including a repost campaign to win an autographed board by Kenta Miyake (the voice actor for Keiji) and a luxury campaign where players can play the gacha up to 100 times. For more details, please visit the official website.

[Onigiri x Rooster Fighter Special Site](https://onigiri.cyberstep.jp/special/260317_niwatori/)

### Get Limited Rewards! Collaboration Event 'Iccho Tosen' Begins! Starting March 26, 2026, the 'Rooster Fighter' collaboration event 'Iccho Tosen' will take place. The event begins with an encounter with Keiji, a rooster who has arrived from another world. By progressing through the event, players can obtain exclusive rewards such as the 'Keiji's Crest' and 'Elizabeth's Earring' accessories, as well as a special skill where Keiji provides powerful support.

**Event Period:** - PC: From after maintenance on March 26, 2026, until maintenance on July 9, 2026. - PS4: From after maintenance on April 3, 2026, until maintenance on July 17, 2026.