The 100 Girlfriends Who Really, Really, Really, Really, Really Love You manga volume 12 features story by Rikito Nakamura and art by Yukiko Nozawa.

It's time for the quad-town sports day, and all the girlfriends are invited! But even though they've each got special talents that should make beating the evil Kiraisugi Town a cinch, their opponents refuse to play fair! Meanwhile, a new girlfriend makes her debut! Please welcome Mai Meid— Wait, what was that crashing sound?