で・る・た！～おねだり天使とひとつ屋根のした～

Yuuki met a beautiful angel once when he was a kid.... He works at a vet now, which is owned by Setsuna, his childhood friend. He lives peacefully with his friends, Setsuna, Shizuru, a nurse, and Wakaba, his younger sister. One day, he meets an angel again.... "It's urgent!" Her name is Seles...