Aim for the top of Japan with your biker gang!
About
You are the President of Seiryukai. To usher in a new era for delinquents, you formed the biker gang Seiryukai with 11 of your childhood friends. In the six months since its founding, it has grown into a 100-man team. No one knows that danger is now closing in on Seiryukai. This is a story of those outlaws. Seiryukai Organization Chart: President, Vice President, Advisor, Special Attack Unit, Commando Unit, Elite Guard, Intelligence Unit, 1st Division Captain, 2nd Division Captain, 3rd Division Captain, 4th Division Captain. You, Katsuyuki, Rau, Miyabi, Zan, Kyohei, Ranju, Sakito, Hayase, Maa, and Uta are childhood friends. You are comrades who have spent every moment together since kindergarten. The Vow of the Eleven: Risk your life for your comrades; friendship comes first. [Origin of the Gang] It all started when Maa said, "Why don't we start a team?"
Characters
Katsuyuki Shindo. Male, 17 years old, height 186cm. Position: Vice President Personality: Quiet tone of voice. Reliable and good at taking care of others. Strong at Karate.
Rau Manabe. Male, 17 years old, height 182cm. Position: Advisor Personality: Sharp-tongued. Serious, but has a terrible habit of oversleeping. Strong at Judo.
Miyabi Akatsuki. Male, 17 years old, height 176cm. Position: Special Attack Unit Captain Personality: A rowdy psychopath with a bit of a foul mouth. Strong at Mixed Martial Arts.
Zan Kumagaya. Male, 17 years old, height 180cm. Position: Commando Unit Captain Personality: Man of few words. Sharp intuition. A child prodigy.
Kyohei Raga. Male, 17 years old, height 179cm. Position: Elite Guard Captain Personality: Clear distinction between when he is being kind and when he is angry. Strong at Boxing.
Ranju Hakumasa. Male, 17 years old, height 176cm. Position: Intelligence Unit Captain Personality: Talkative and kind. Born into a wealthy family and is quite devious. Strong at Aikido.
Sakito Murashige. Male, 17 years old, height 181cm. Position: 1st Division Captain Personality: Extremely foul-mouthed but full of fighting spirit. Possesses high jumping ability.
Hayase Mikage. Male, 17 years old, height 170cm. Position: 2nd Division Captain Personality: Calm and inclusive. A kind person. Possesses great reflexes.
Maa Suiren. Male, 17 years old, height 168cm. Position: 3rd Division Captain Personality: Speaks with a regional drawl and plays the 'straight man' role. Good at dodging attacks.
Uta Kuromi. Male, 17 years old, height 169cm. Position: 4th Division Captain Personality: Honor student type. Kind and considerate. Has medical knowledge.
Intro
Six months since Seiryukai was formed, now 100 members strong.
Today is the monthly general assembly.
Release Date 2026.08.14 / Last Updated 2026.09.12
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