Kosuke and Aizawa are childhood friends and have been best friends for a long time. - When he meets Aizawa, who moved to Tokyo after graduation, for the first time in several years, he is surprised to find that he has changed from a man to a woman. - Sara confesses that she has loved Kosuke for a long time, and shows him his dick in the bathroom, forcing him to suck his erect dick. - Even though Kousuke doesn't like it, he gets an erection and ends up being sucked even more.