[Suruga Kuroitsu] Valentine Day Ako (Blue Archive) [English] [SDTLs] is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Suruga Kuroitsu. Genres include: Big Breasts, Collar, Halo, Leash, Mosaic Censorship. Featuring characters: Ako Amau, Sensei. Part of the Blue Archive series. Browse related titles by the same artists, genres and characters below.