Someone help me remember the title Of a BL story, manhwa. The plot is the MC is a very gl...

Someone help me remember the title
Of a BL story, manhwa. The plot is the MC is a very gloomy guy and in s1 is currently being avoided by his classmate. at first we were lead to think the reason the MC classmate whispers behind him is because MC is gay and is in relationship with one of his classmates. But the plot twist is they avoid him because MC hallucinate the other boy existence and keep talking to the air + his hallucination is super red flag lmao like telling MC he didnt need his classmate and only need him.

We found out that the hallucinations is mc childhood friend who lives in the same apartment as MC in the past. The childhood friend falls from his apartment building while trying to wave at MC. MC was later informed his childhood friend was dead from the fall but unable to accept reality MC start to hallucinate his friend existence in his daily life. The current story is in high school and the only person who interact with MC is a super greenflag senior (ML) that likes the MC.

Later MC and ML visit the childhood friend grave to help MC accept his friend death. MC and ML also started dating and happy ending for s1

S2 is just pure bullshit imo takes place in university where MC meet his supposedly dead childhood friend again (who has amnesia and dont remember anything from his childhood) because apparently the childhood friend's mom hates MC for causing harm to his child and told MC lie that the childhood friend is dead and move out of the apartment so they would never meet again.

I remember mc got bullied and set up by one of his classmates. The childhood friend falls in love with MC yada yada anyway i hate the plot for s2 so i dont remember much