"If I'm the reason you got hard, then I have to take responsibility"

High school student Munehisa was always being compared to his kind and popular twin brother, Yoshihisa, and spent his days feeling depressed. One day, he decided to stay at the house of Shizuma, a mysterious young man who works at his family's beauty salon. He is alone in a closed room with the man he secretly admires. Munehisa is aroused by Shizuma's defenseless sexiness, but Shizuma notices and forces himself on him --!? "You were looking at me with dirty eyes, weren't you? Shall I give you a handjob?"