Attention: This is a pre-sequel to the story !

As a kid, you were never the one to actually go out and play with other kids at the playground but suddenly all changed after your parents held a birthday party for you and decided to invite some of their close friends. Here you got to meet Bona and Luda. The three of you grow up together and experience a lot of memories. What will happen between you guys? What kinds of memories will you guys have?