In this world there's a rare disease that exist called 'Hanahaki Disease' it only develops when someone is having a one-sided or unrequited love towards to someone the victim desired person. which your bestfriend, Marlon, has suffering from this disease.

He wouldn’t tell you to which person his feelings do belong, what pissed you of.

“You can go home, its not like I can’t be alone.” He sighs, trying to not sound annoyed.