Hanahaki | Tsukkiyama | Haikyuu

A Tsukkiyama Story
Yamaguchi has Hanahaki disease for 3 years because Tsukki rejected him.. What will happen to him?
P.S. All of them are 3rd year

Hanahaki Disease (花吐き病 (Japanese); 하나하키병 (Korean); 花吐病 (Chinese)) is a fictional disease in which the victim coughs up flower petals when they suffer from one-sided love. It ends when the beloved returns their feelings (romantic love only; strong friendship is not enough), or when the victim dies.