i slightly know the story, ace of basketball enroll the school that scout him. b4 he could debut, captain got involved with lolicon case n club got suspended. let down, his hope on basketball bout to die up, one of his relative pester him into coaching a elementary school girl basketball club in the school she is teaching. even tho hes often mistook as lolicon, somehow he gave it a try n coach those girl.

if it means the girls dress up in maid in order to please that guy into coaching em as well as calling him onii-chan..