Senpen Banka Hyaku Fushigi

The protagonist, Futsu Kanzaka, whose hobby is collecting urban legends, enrolled in an academy famous for its abundance of ghost stories—but hidden there was a strangeness overflowing with long-standing grudges and conspiracies. Out of curiosity, Futsu begins investigating the academy’s “Hundred Mysteries,” but before long he will throw himself into a battle against an orchestrated grudge. Where did it all begin? As various motives intertwine, what will Futsu choose in the end...? “Even if all else is forgotten in time, I alone shall remember.” Translated from the official website.