Himitsu no Kareshi-kun (Toraotono)

The violent and emotionally unstable Towa and the poor Tsubasa who seems cute when he's pitiful. A mental breakdown BL that may or may not seem happy Tsubasa is troubled by violence from Towa. One day, Tsubasa's feelings begin to waver when Shimada, a senior at his part-time job, shows him kindness, leading to a messy love-hate drama.