Goodbye, Jiayue

Also known as Eight-Eight-Eight: The Scumbag Bottom Who Slept with Me and Ran Off.

For Shu Tong's eighteenth birthday, he got a person.

Within the first hour of being eighteen, he truly became a man.

But on the first day of his eighteenth year, his gift disappeared.

His gift ran away.

Four years later, Shu Tong is a young man, and he finally sees his gift again.

His gift has completely forgotten him.

Shu Tong wants to recover both the eighteenth year he lost and Jin Jiayue, who got away.

Younger top, scientist. Bottom is a cold, beautiful rich man with a serious illness, genuinely ill! He's eccentric and a jerk, and you'll love and hate him.

Fantasy elements included. Amnesia trope!