Dorm to Dorm (Dark Lust Series #1)

Dowan starts living with Isabela, the object of his unrequited love. One night, Isabela goes into Dowan's room with a different look in her eyes and starts demanding for sex. But... it's just all because of a condition called "sexsomnia"? So whenever Dowan looks at Isabela who can't remember the steamy nights they've shared together, his chest hurts...