The first tentacle work from the super popular beauty, Serina Hayakawa! Serina is a young company manager, but in her private life, she is frustrated because she can't have sex with her busy boyfriend. As she secretly indulges in masturbation, a mysterious shadow creeps up on her. The creampie she had been saving for her boyfriend is stolen by tentacle r**, and every time she accepts the impregnating, alien semen, her reason collapses! The perfect female manager, Serina, is reduced to a human livestock with an ahegao face!