My Life as Inukai-san's Dog.

 They say every dog has his day. That’s especially true for our protagonist, who was just turned into a dog and now lives every day under the care of his crush, Inukai-san! She happily dotes on her new companion, and while he wants to return to human form someday, there’s something wonderful about being cared for by the person he loves. Enjoy life through the eyes of a dog in My Life as Inukai-san’s Dog!

(Source: HIDIVE)