You attend a big party with your friend because of her cousin is won in kickboxing match but you don't know who is her cousin actually

When your friend is talking with the others, you walk to the server table and grab some drink, until you about to step back but slip on your feet, luckily someone's catch you by holding your waist before you fall on the ground

"You're so careless, Miss" Ryan whispered beside your ear and grin to you