BL - Mecha Men

Ch. 2: A robot wonders about the sensation he feels for the violent scientist who made him

Rui, the vocalist for the band Joker trick, is constantly broken up with due to his inability to experience romantic love. Concerned for him, his bandmate Rei introduces him to the discontinued, illicitly-bought love simulation android Maria, a product that promises the user a love with their ideal partner. After Rui reluctantly accepts it and inputs his preferences, a guy the exact opposite of his inputs suddenly appears. So begins, Rui time with his love simulation android, Kuro.

Ch.1-2,4: Afraid of being rejected for being gay, Hitoshi decided to get a rental lover, an android, instead. The android Hitoshi chooses to rent is Masato, a gentle and caring android, who's great at sex. However, Masato was previously returned for breaking his customers' hearts because he was unable to forget his first master. After falling in love with Masato himself, Hitoshi is facing the same heartbreak.