Never seen it OP sorry, Manyū Hiken-chō is pretty good. Story revolves around breast, its not hentai
if it's ecchi, I'll like it
this one is good too, you might like it
Its all girls for the most part and main character has power to steal boob sizes from other girls. Ill check it out.
Its a good anime/manga man, a bit old but good. There are lots of good old anime/manga out there