Koibito wa Hatsujouki
Complete | kamon saeko | 2008 released
2015-05-26 21:00 marked
Sumata in chapter 3
Koisuru Boukun
Ongoing | takanaga hinako | 2004 released
2016-01-24 00:53 marked
The side couple switches positions. the story about them is in vol. 5 ch. 4.1 - 4.2 and vol. 9 ch. 6.2 (here you find the switch). the side couple are the older bro of the main seme and his best friend from school days.
Beast & Feast
Complete | akira norikazu | 2010 released
2015-11-15 22:36 marked
Bath Sex in chapter 2
Mujihi Na Karada