Yuji is a little excited because Mako, a senior student of her wife Haruka, suddenly came to stay. Big breasts and waist that you can clearly see even if you are wearing clothes, plump hips ... Yuji's head is full of lascivious delusions! At that time, Haruka goes to the hospital to give birth to her sister ... Yuji and Mako who happened to be alone. Yuji, who has reached the limit of patience, pushes down Mako in a destructive manner ... Free points for 1,000 yen for the first time!