Beelzebub
78 / 100 on AniList 8.12 / 10 on MyAnimeList
Action · Comedy · Supernatural
The story follows the "strongest juvenile delinquent", Oga Tatsumi, a first year in "Ishiyama High" the school for delinquents. One day while sleeping next to a river he sees a man floating down it, he pulls him to shore… Synopsis via AniList