Koi wa Deep ni Benkyō‑Chū!

Comedy

Koi wa Deep ni Benkyō‑Chū! (恋はDeepに勉強中！) is a Hulu-original spin-off of Koi wa Deep ni . It shifts focus from the main romance to the third brother, Eitarō Hasuda (played by Watanabe Keisuke), exploring his trials and curiosities about love and relationships. It's a lighthearted, comedic 3‑episode series, diving into Eitarō's humorous attempts at understanding romance—like planning surprise gifts and giving advice to his colleagues.