Romantic Joutou
Kei is an Omega who dreams to be married to a rich, handsome and kind Alpha. So he polishes his skills in order to become a good bride for his future mate. However, his body is a bit special cause drugs that suppress an Omegas heat doesn't work on him. So he relies on his childhood friend Tsugitsugu who is a Beta, whenever he is in heat. How long can Kei keep this relationship with Tsugitsugu?
Retsujoo Oobaafuroo ~Shin'yuu Ijoo, Kareshi-miman~
Yoji Tsuchiya's an omega aggravated by his love for Jin Arumi, a beta. He hopes that one day, he and Jin will be more than best friends... but for the time being, he'll do anything to protect the status quo. Yoji spends most of his time getting through the gauntlet that is Jin's innocent teasing. One day, though, Yoji goes into heat right in front of Jin!
Ruby Red wo Kamikudaku
Akane is an Omega who can see people's pheromones as multicolored "crystals”. During his school days, when he was lonely because of his peculiar constitution, he meets Makise, a school nurse teacher. 5 years later, they are miraculously reunited.
Kimi wa Mou Kamenai