Shoujo Manga Shujinkou x Rival-san

Kimura-san wants to get close to her crush Mizushima-kun, but the beautiful and confrontational Hiyama-san has a problem with that... though it's not the kind of problem you'd usually expect from this scenario.

Notes:

• This is the serialized version published in Gangan Joker
  
• Includes 1 extra chapter.