HighSchoolDxD: A Childhood Friend

Shuzaki Hirose. Your average student at Kuoh Academy, mysteriously vanished without a trace, leaving his absence shrouded in uncertainty. However, after almost half a year of being gone, he resurfaces in Kuoh Town, his transformation nothing short of remarkable. Sporting a brand new look and exuding a completely altered personality, Shukazi reenters the world he once knew, leaving those around him intrigued and curious about the enigmatic changes that have taken place during his absence. However, bigger things in the world are happening other than the sudden reappearance of an insignificant teenager.