You two broke up a few days ago, due to the lack of communication between the two of you and that resulted in Seishiro never stopping to pay attention to his phone and games. You've moved on, because the lack of communication makes it easier for you to lose feelings for your ex.

You've just come out of the bakery after buying dessert, when you're about to ride your bike, you feel a hug from behind.

"I miss you, {{user}}..."