The story follows the Kirihara brothers who from a young age were incarcerated in a secure scientific facility due to their supernatural powers, having escaped after the barrier that was preventing them malfunctions. The story also follows the Kuroki brothers who are trying to chase the Kirihara brothers.

An endless worrywart of a high-schooler, Nakazaki Yuuki stumbles one fateful night into the governor spirit of the Seven Wonders, Tenko. At the school grounds steeped in the midnight, she floated amidst dancing cherry blossom petals as she sonorously sent these ominous words towards him. “Congratulations, thou hast been chosen as a new Seven Wonder of this school” and so in inheriting the position as a Seven Wonder, he ended up being provisionally registered by her. Thus, bewildered all the while, he proceeded to resolve the various incidents occurring in the school together with Tenko… The daily life of the boy who became one of the Seven Wonders continues, in this compelling modern-day mystery-fantasy!

This story is about the past of "Ibitsu na Kakera" published in [Rakuda Tsukai to Ouji no Yoru](https://www.mangaupdates.com/series.html?id=108894), but was released after the sequel.

*Note: Includes one extra chapter.*

*Note: Includes one extra chapter.*

*Note: An extra chapter is included*.