Despite Being An Extra, I’m The Villain’s Childhood Friend Chapter 13 Discussion

I haven't got far and sadly I cannot go further.

Well, anyways, the ML and FL are very cute together. Even if we, sadly, cannot see a cover with both of them together. I think he falls in love with her because of her warmth and sincerity as he feels gratitude and later on it turns to true love, and she doesn't seem to like him yet. Though they are still children, so it's reasonable.