Both movies have a person remembering a past relationship. The sequence of events is not chronological but backwards.

High school baseball with the aim of going to Koshien. Both movies have touching and beautiful moments of teamwork. Characters are developed and keeps you cheering for the teams.

they give the same feeling. Though for SWAK, the drama could be heavier than for Boss & me (since Boss and Me have more fluffiness). Well, the main male leads are similar. They are both rich, handsome, and quiet. Both of the main character's relationship stems from something and that's how the guy keeps the female lead close to him.