Psychedelics
From Yaoi Is Life:
A series of doujinshi featuring self-parodies of Psyche Delico’s works: Chocolate, Strawberry, Vanilla; Junai Ero Ki; Nokorimono ni wa Ai go?!; Kizudarake no Airabuyuu; Eroman - Kami to Pen to Sex to!!; and Renai Switch.
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 Despicable
009 Chocolate, Strawberry, Vanilla
..