Sorano Kai is a quiet architecture student who hides his emotions behind a composed exterior, struggling to trust after an abusive relationship from his ex  Gan Kurosaki
  . He secretly longs for connection and finds comfort in his boyfriend, Kawai Fuma, whose bold nature helps him open up. Kai shares a deep bond with  friend Amemiya Rei and, though initially wary of Hayase Arashi, grows to respect him. His loyalty runs deep, and beneath his guarded nature is a heart that longs to heal, 