The story involves two pairs of teenage elder sister and younger brother, the Shinmoto's who are a bit narcissistic and the Saitou's who look a bit mysterious. It follows their everyday life in school and at home.
Ai Kayano
Kaito Ishikawa
Ryota Osaka
Nozomi Yamamoto
Inori Minase
Jun'ichi Yanagita
Maaya Uchida