Shiokaze to Ryuu no Sumika

The story takes place in Kagosaki, a town inhabited by "dragon people" with dragon-like features and abilities. Mizuka, a young girl who lost her father, was taken there by her uncle, where she meets Tenshin, a dragon boy who lives in her uncle's house. Mizuka tries to get to know him as they start living together, but Tenshin maintains an unfriendly attitude...
(Source: Natalie, translated)