A collection of mini stories and bonus chapter which didn't quite make the original fic. 

In which Kim Joonmyun is a twenty-something year old man trying to cope with being a single dad to four year old Jongin who doesn't say anything to anyone unless it's to some big eyed kid named Kyungsoo, both of whom have a young teacher named Jongdae who Joonmyun finds himself becoming quite fond of.. ... anything else?