akuma_river's manga / #Dark(121)

Think it's complete. Maybe it got canceled at 5 volumes? https://www.mangaupdates.com/series/ncd82qs/butterfly

Part of a series: 1) Tourou no Ori (2014) 2) Psychedelics (2010) Stories reference: 001 Junai Ero Ki 002 Junai Ero Ki 003 Chocolate, Strawberry, Vanilla 004 Renai Switch 005 Chocolate, Strawberry, Vanilla This is an alternate ending to the second chapter from "Chocolate, Strawberry, Vanilla". 006 Chocolate, Strawberry, Vanilla This story takes place after the end of "Chocolate, Strawberry, Vanilla" volume. 007 Chocolate, Strawberry, Vanilla 008 Inu mo Kuwanai (Despicable) 009 Chocolate, Strawberry, Vanilla 010 Inu mo Kuwanai (Despicable) 011 Tourou no Ori 012 Fuuzokugurui Desu ga Toshishita Danshi ni Koku-raremashita .