Set in an alternative world of Bungo Stray Dogs, this "what-if" story imagines if Atsushi Nakajima was in the Port Mafia and Ryūnosuke Akutagawa was in the Armed Detective Agency, instead of vice-versa. The story follows Ryūnosuke Akutagawa, who vows revenge on a man dressed in black in order to rescue his sister. However, as he is about to starve to death, a man from the Armed Detective Agency appears.
A mysterious man called Es/Kamen Rider Eden has emerged, committing simultaneous acts of terror across the world, with thousands of believers following his faith. While the people fall one by one and the world delves into chaos, Aruto Hiden stands up to stop him. Isamu Fuwa, Yaiba Yuia, Gai Amatsu, plus Jin and Horobi of MetsubouJinrai.net also transform into Kamen Riders and fight against the enemy while struggling to seek the truth.
This gruesome tale depicts a fantasy-fulfilling club which houses deadly fights where winners are rewarded, and losers meet their ultimate fate.
Keisuke Minami is a Japanese actor and singer. He is best known for his role as Kunimitsu Tezuka in the Prince of Tennis musical series, Tenimyu, of the third generation Seigaku cast, Tsurugi Ohtori/HououSoldier in Uchu Sentai Kyuranger, and a live-action portrayal of Fumito Nanahara in Blood-C series. (Source: Wikipedia)