Dream Demon -Come Give Me Your Sweet Nectar-

Chisa manages a small flower shop, spending most of her days working hard and tending to her beloved blossoms... Until one day, a man named Kyoya appears. Kyoya claims to be a non-human entity who was called to the human world by Chisa's own deep-seated desires. Watch as this mysterious creature shows Chisa a side of herself she never knew she had...
(Source: Renta!)