1-3) I Like Your Smell
Akira's lover Youji suffers from oxyosmia, a condition that makes him overly sensitive to smells. The only smell he really loves is Akira's, much to the latter's dismay. One day, Akira consults their mutual friend Naoto about the situation, but...
4) I'm Being Possesed by an Incubus!
5) I'm Living Together With an Incubus!
6) So Close Yet So Far But I'm Interested in Him
7) Let Me Hear Your <3 Lewd Voice
8) Secret Game with the Scion
9) Endless Game with the Scion
10) The Reality Behind the Scion's Secret