Side story to the commercial BL, "Am I, A Virgin With Zero Experience About To Be Jumped By A Ex-Mercy Sexual Berserker!?". From secretly masturbating to having some body size difference sex!
One day a normal married fatherly man named Naoto becomes captivated by the allure of his extroverted friend Tomoyuki's huge dick. He tries to act nonchalantly... to disguise his sexual arousal... but is easily seduced. Unable to resist their attraction to one another they...!?