One day, Rio, who has been unable to find a lasting relationship because he has too high an ideal for a lover, is approached at a bar by Masumi, a man who is exactly what he is looking for.

Kume, a student, has always been in love with Mr. Hiwasa, a cram school teacher. At the time, Hiwase had a fiancée, so he kept his love for him to himself. One day, Kume, now a medical student, runs into Hiwase on the street and learns that he is unmarried. He confesses, “I've always loved you, ever since high school,” and with a fierce appeal, they begin a trial relationship! Sensitive to pleasant things and vulnerable to pleasure, Kume and Hiwase decide to make love from the inside out. ......? A young seme and an instructor's erotic love story!

A handsome, obsessive, doting love between an ennui younger cousin, Ukiki, and a cheerful medical student, Youhiko! The long-awaited spin-off of the well-known “Suki Suki” series with a handsome two-way stalker love! Ukiki is willing to go to any lengths to win her cousin, Yuuhiko, whom he has always loved. After 3 years in the U.S., he came back as an obsessive and doting guy! He is so happy to see him again that he asks him to marry him, and the two become handsome lovers. Ukiki makes up for the days they missed each other by melting Yuuhiko with his sweet kisses and drowning him with his erotic techniques...?