Yi Ye Qing Shen
A drunken night, the wrong room, and an encounter with an insatiable devil. She bolted at dawn, terrified. But he haunts her every step, relentlessly teasing and flirting until she's a flustered mess.
He claims their one-night together forged a lifetime bond, that he thinks of her every second of every day, and… he wants her to take responsibility.
Then, at a banquet, she's suddenly hit with a bout of nausea. As she furiously kicks him in panic, he just smirks, his cunning plan falling perfectly into place…
(Source: Kuaikan, translated)