My brother went to "Raira" in Ikebukuro, so he went to "Towan", a sister school.
The delinquent group "Smiley" that suddenly sprang up in Shinjuku recently and the "Sin Song" that flowed into Shinjuku have added a lot of fantasy to the ordinary streets of Shinjuku.
"Hey, good, don't you realize that you are the most mysterious one?"
The mysterious person named the most mysterious person by his best friend, and the mysterious person who openly provokes the newly emerged bad group "Smiley" and the "Song of Sin" who flowed into Shinjuku. Who will win in the ultimate mysterious competition?
Oh no, he just wanted to find a little fun for himself before moving to the next city——