The Queen of Hanahaki Disease 하나하키 질병의 여왕

Only listed as Complete incase Wattpad deletes
A made-up Kdrama
Warning: ONLY READ IF YOU ARE 18+
All credits to Naoko Matsuda who popularized the Hanahaki Disease trope with the Japanese shoujo manga,「花吐き乙女」(Hanahaki Otome), or The Girl Who Spit Flowers by Naoko Matsuda (松田奈緒子), which was released in 2009, and However, among East Asian (Japanese and Korean especially) fans and creators, the concept of flower regurgitation due to unrequited love dates to before Hanahaki Otome's release. Its true origins are currently unknown.
Credits for the cover of the book goes to: @xxeli_minate