シックラブ　―病的な彼と、楽天的な彼女― (Associated Names)

One day, Miyako got a love letter for the first time in her life. The sender was a classmate of her- the timid boy from her class. Curious of having her first love letter and having a boyfriend, she fell in love with him. However, he was a little…. “sick”. She was naive. She didn’t…