Cain and Abel(2016)

Cain and Abel is a Japanese drama series following Takada Yu, a development firm employee who has always lived in the shadow of his accomplished older brother. Neglected by their father while his sibling received endless praise, Yu desperately seeks recognition and love. His life shifts when he meets a woman through work—their first encounter is disastrous, but he gradually develops feelings for her. The twist: she's already dating his older brother. As Yu navigates this impossible triangle, he confronts his family dynamics and discovers what truly matters to him. The series explores themes of rivalry, belonging, and personal growth as Yu matures through romantic conflict and fractured family bonds.