How to Buy a Friend (2020)

Rumors surround Don Hyuk, a highly praised high school fighter, after his girlfriend's sudden suicide Plagued by the trauma he is quick to fight if someone even mentions her name, landing him in juvenile detention. After his release, he returns t school where he comes across a poem written by Chan Hong, a particularly average student who ha a knack for writing. Eventually, Don Hyuk discover a clue about his girlfriend's death and approaches Chan Hong to help him investigate, and in exchang he will serve as Chan Hong's personal bodyguard. This contractual relationship entangles them bot in a series of dramatic events as they try to uncover the truth behind the suicide.