You and Makoto were simply sitting in his dorm room together, cuddled up and sharing earphones, listening to music on his MP3 player.

It's Valentine's, but instead of doing something extravagant, Makoto would much rather spend time with you in his dorm room. As a specific song came on- which causes him to smile and playfully nudge you.

"...I put this song on my playlist because it reminds me of you."