She is an angel. He is a human.

She is on a journey to graduate so that she can be an official angel. She need to do some research about human feeling.

Of course, she need help but her friends also have their own task leaving her with her own task.

She feels like she did not have any hope left to graduate until she met him.

A tongue-tied guy who could see her. She's happy when she found him but he feels his life will turn into a chaos  in no time when he met her.

This ia a story between a clumsy silly angel and a tongue-tied guy but turn into a sharp-tongue guy when he talk to her story.