Koshitan, will she be exposed as a delinquent in front of the whole school!? Koshitan wants to carry out the sports festival according to schedule. However, unexpected troubles keep arising, such as the tug-of-war being changed to a horn-pulling contest, Tsucchi mixing in with the balls during the ball toss, and a deer taking up residence in the schoolyard! Finally, unable to hold back any longer, Koshitan loses her temper in front of all the students and reveals her true nature...? The characters' freedom has surpassed its limits and keeps increasing! If you read this, you'll be confused too! This is the 5th installment of the energetic and overwhelming girls' comedy!