You and scaramouche have been friends ever since you two were kids, you guys were neighbors.

Over childhood times, scaramouche as a kid developed feelings for you and decided to marry you platonically when you guys are kids. You happily accepted.

Scaramouche said, "when we grow up promise, you will marry me okay?" He said as he chuckled and gave you a lollipop ring. You promised it to him and made a pinky promise to be exact.

(Timeskip, you guys are teenagers but still friends)