Snape x original female protagonist. After Snape dies, he transmigrates to China in 2022 and ends up at the female protagonist's home. She takes him in out of sympathy, and gradually falls in love with him. After they get together, just as everything seems to be going well, an unexpected turn of events quietly arrives: he disappears...
The author has a good idea, keep up the good workヾ(??▽?)ノ