Kohitsuji Hokaku Keikaku!

Two older students, Katsutaka and Kazuomi, have a hidden interest in observing two younger boys engaged in a romantic relationship. They are deeply infatuated with Yuki and Kaede and plan to get close to them once they start high school. The moment they've been waiting for arrives, but whether they can achieve their goal remains uncertain. Additionally, it is unclear if Yuki and Kaede are truly the people Katsutaka and Kazuomi believe them to be. The story includes four additional chapters.