1 Work in Kyoutani Kentarou & Oikawa Tooru
Hanahaki Disease. The illness created from one-sided love; where the patient coughs up flowers or flower petals. If the flower petals get caught in your lungs, you could die. The only cure is to have that love reciprocated. The infection can be removed through surgery, but the feelings disappear along with the petals.
in which Kyoutani is in love with Yahaba but he notices a little too late