The Bestowed Moon

Susu Wadatsumi is a college student who comes from a family with a terrible history, which has given her horrible nightmares for years. One day, her friends persuade her to get a change of scenery with a part-time job in a hotel... But the hotel hides a terrifying link to an old family residence, and Susu and her friends will find themselves embroiled in an inexplicable mystery... (Source: Arechi Manga)