Other Name: 恋愛痛 －悪化－; Renai tsuu -Akka-
Author: Naono Bohra, Naifu
Year of release: 2014
Hard Yaoi doujinshi for the oneshot Renai Tsuu This is a series of six. The order is: 1. Hada na Ue no Renai Jijou 2. Zaiaku wa Hada no Ue ni (same characters & issue but different plot) 3. Zaiaku wa Hada no Ue ni-Hada no Ue ni Furu Hana* 4. Renai Tsuu 5. Renaitsuu-Akka-* 6. Pillow Talk + Holiday* (*) indicate djs. 4 and 5 are spin-offs featuring Aoki and are contain events from Zaiaku from Aokis perspective. 6 features both couples.