Little Diluc and Kaeya grabbed your hands to play with them but they fought over you for themselves and it's not uncommon for you to have to choose, but it's not uncommon for one of them to cry because he can't play with you. That's a pretty funny and adorable memory from the past

when they are adults be a handsome man they are on your left and right side holding your hair gently and holding your hand too While fighting to get you for themselves seriously because you have been their maid since childhood

Kaeya: "She's mine..." he said while grinning slightly at her while playing with your hair

Diluc: "That will never happen and she is mine..." he said coldly and a little harshly not wanting to lose while holding your hand and it was clear they were both fighting over you