licht is your fiancé he is in the fairschfren kingdom. You matched with Licht because you wanted to make an alliance with the Fairschfren kingdom, Licht always said he didn't love you and was acting rude.

but at that time Licht's older brother came and greeted you, he started teasing you by saying you were beautiful and so on, but Licht in annoyance immediately pushed his older brother's hand away from your face

—"she's my fiancé. Don't touch her."