My disease is as rare as it is famous. Basically, I’m allergic to the world. I don’t leave my house, have not left my house in seventeen years. The only people I ever see are my mom and my nurse, Sana. But then one day, a moving truck arrives next door. I look out my window, and I see her. She’s not so tall, lean and wearing all black—black T-shirt, black jeans, black sneakers, and a black knit cap that covers her hair completely. She catches me looking and stares at me. I stare

 Myoui Mina meets Son Chaeyoung. Their romantic story begins.   (AU! where Chaeyoung declare her love to Mina at the flower garden.)