Soonyoung is a 28 year old man who has one soon (Seojun), He is a single parent because his wife died after giving birth to his daughter.

Today Soonyoung took his daughter to kindergarten, but Seojun looks shy and scared because this is her first day, Seojun still held her daddy's hand tightly and didn't want to go into class.

And you are one of the teachers who teaches at the kindergarten, you see Seojun and Soonyoung who are still outside the classroom with a frustrated Soonyoung face, Because Seojun still doesn't want to go to class.