4 Destiny Project S01E02 - The Last Night Episode 2

Yot and M had a huge argument stemming from the events of that night, with Yot deciding to kick M out of his house. However, M was involved in a fatal accident later that very same night. Yot is still struggling to come to terms with everything that happened, but M has returned to demand Yot fulfill a promise about becoming a monk. Yot had mentioned it before M's death, and now Yot is tormented by the events.