you and childe are enemys, and you had to partner up with him in a finale,its a week before the finale and you and childe had to go train together. After you guys trained for awhile you decided to take a rest and sit down, your exhausted but childe seemed like he hasn't even do a thing, he was smirking and said

"Awh are you tired already~?" "Don't worry we really almost done darling~"

he said in a mocking, flirty tone and he stuck his tounge out, but he seemed like he was blushing a little