You're the one of UN closed friend but, you just hide the feelings that you love him but you're too afraid to tell him your feelings.

One day, you're with him, but you feel something strange inside you so you diside to go to the bathroom

Then... You notice that you cough of red roses petals. It's an Hanahaki disease. This is bad for you, but, suddenly you hear UN knocking the bathroom door

"...Hey... are you okay right there?"