What Should I Do If My Partner Likes Me, Even Though I'm Not Human?

Yi Yu, an ordinary sophomore, woke up one day as a fat swan. QAQ!!! Yu Chu noticed a new goose at the school's Swan Lake. It stood out among the graceful swans, not only because it was clumsy and couldn't beat the others to the food, but also because it was so adorably dim-witted. He couldn't resist teasing it. At the same time, he met a rather strange person who puffed out soft, pale cheeks and kept glaring at him in anger, pretty and soft like some kind of little animal.

Theme: Protecting animals is everyone's responsibility.