Kimi to Boku no Junjou Renai Jijou君と僕の純情恋愛事情 ; The Pure Love Affairs of You and Me

Minami and Ritsu are next door neighbors and childhood friends. Minami's drama club is about to put on a play but their male lead is injured, so Ritsu has to step in as the male lead. What will happen to the play if they keep arguing?