Aizawa, the protagonist, has been infected with the now-popular TS disease - also known as Sudden Sex Change Syndrome - and has been transformed into a woman's body. At first, Aizawa is confused but he soon becomes absorbed in the pleasure he experiences in his female body. As a result, a strong desire begins to grow inside him. "I want to put a real dick inside me!!" Aizawa is searching for a partner to fill the (physical) hole in his female body when a boy from his class appears before him... “You... you're good!!” “Huh... What!? What the hell!?” “Stick your dick inside me!” “...Huh!?”