The Accident

First's little brother went with his friends to a party late one night, and they crashed. First's brother was the only one who died.
Khao, his brother's best friend, caused the crash hence First hated him and blamed only him for his brother's death.
Two years later, First is a third-year university student, and when Khao joins the school and, most of all, his department, he is furious about it. When he and Khaotung are paired to do together as a bonding project, Khao immediately tries to do everything in his power to win First over and earn his trust again...

TW:
A bit of swearing
Depression
Loss
Alcohol use
Mention of Smoking