tank style vols ... the omake at the end of v08 were not translated the first 4 vols were uncensored ECCHI comedy lolicon romance harem school-life a girl travels back in time, to the start of her 5th grade year, to prevent a teacher from marrying a different girl (a classmate), so she can marry him and they both live in the same apartment building https://www.mangaupdates.com/series/i0rzqpg/ore-wa-lolicon-ja-nai