Philosophia by Amano Shuninta Original Doujin — Completed

Philosophia-1-00-cover
Chapter 1 released Dec 24 '13
Chapter 2 released Feb 2 '14
Chapter 3 released Apr 13 '14 Drunk Pseudo-incest
Chapter 3.5 released Oct 20 '14
Chapter 4 released May 24 '15