The Wallflower - Season 1 Episode 4 Sunako, You're Needed

Sunako's class recruits her to make a haunted house for the school festival, only for Kyohei to realize that she was conned by the class president. Kyohei recruits the guys to help make her haunted house win the contest of the school festival so he can get the prize. They ultimately win the contest, however Kyohei is left to claim the prize, since the other three refused to accept it. Unfortunately, Kyohei is forced to pay for the damages caused by the explosion inflicted earlier.