Yuuto Sasaki is a trap who forces his homeroom teacher Sasaki Tsukimori to spend some quality time after school, which usually entails Sasaki playing a domineering role over Tsukimori.(Source: MU)

Wakaba, Natsuki and Sasaki from Hatsukoi Lovers, Onii-chan Complex, and Houkago, 2-C no Kyoushitsu de. come together and exchange presents shortly after Christmas and talk about who they love.