Kawakami and Megumi Asahina are classmates who always do nothing but the fight. During resting time, the dustcloth of Asahina aiming at Kawakami has knocked against teacher’s face. Two people who have touched teacher’s imperial wrath, it is made to the warehouse cooperation cleaning as the punishment. Kawakami which helped Asahina by a hairbreadth when an appliance leaned during cleaning fell down to. However it was good as far as having helped, Kawakami faints by hitting between groins hard. Asahina who saw the appearance, the penis of Kawakami is held in one’s mouth for the massage feeling responsibility…!?