Is it possible to be promoted from FWB to lover?（CV.一条ひらめ）

“Today, it’s my last chance, if I’m going to do something about our relationship” more than a friend, but less than a loved one.
Kento and you have had an easy relationship without any commitment. When you tell him the end of such relationship, he kisses you. He caresses you with an expression he doesn't always show, and your heart is wavering. ”You know that I can’t apart from you for long time, don’t you?”