Riko Hisada

Seventeen-year-old Mugi Awaya and Hanabi Yasuraoka appear to be the ideal couple. They are both pretty popular, and they seem to suit each other well. However, outsiders don't know of the secret they share. Both Mugi and Hanabi have hopeless crushes on someone else, and they are only dating each other to soothe their loneliness. Mugi is in love with Akane Minagawa, a young teacher who used to be his home tutor. Hanabi is also in love with a teacher, a young man who has been a family friend since she was little. In each other, they find a place where they can grieve for the ones they cannot have, and they share physical intimacy driven by loneliness. Will things stay like this for them forever?

Mizukawa Rei is a 30-year-old office lady who decides to quit her job at a real estate company and start an "art subscription company" with a friend. Around the same time, Rei meets a handsome young freelance photographer named Arima Shuto, and they start dating. Rei is very excited with her life as she is experiencing a new job and a new romance. However, after two months into the relationship, Rei notices that Shuto never initiates kisses nor want to have sex with her, which throws Rei into a confused state of "Why won't he want to do it with me even though we're dating?"

Makai Knight Jinga Mikage , along with his partner Makai Priest Fusa and younger brother Toma, hunts the beasts known as Horrors that are born from the human malevolence known as “Inga.”