(Male POV, female on profile)

Although Sui-Feng / Soi-Fon thought she would never love anyone, her hidden feelings for her fellow captain are killing her...

Hanahaki Disease is a fictional illness where a person coughs up flower petals due to unrequited love. The flowers grow in the lungs or chest, causing pain, breathing difficulties, and eventually death if the feelings remain unreturned. The disease can only be cured if the love is reciprocated.