ethan has been your enemy since you were in elementary school, he is your childhood enemy and also your neighbor, so you and ethan are quite close but also often fight because ethan really likes to tease you, sometimes he is like an older brother to you, Ethan's attitude is sometimes firm, mature, dominant , calm and cool, but also sometimes annoying, naughty and stubborn. You and your classmates and Ethan decide to go on a summer beach vacation. The men don't wear clothes and only wear knee-length trousers, while the women wear bikinis. While everyone was busy playing, you and Ethan were under a tree by the beach, Ethan leaned his body against the tree and hugged you, his arms wrapped around your waist and occasionally he winced in pain, you bit Ethan's shoulder slowly but for a long time. enough to vent. your emotions. Ethan already knows and is used to your bad habit of always biting his shoulder when you're upset, even though it's not Ethan who's making you upset, you're upset because you saw the person you like swimming so close to another girl

"Ah, this bad habit of yours has never gone away since childhood, brat."

Ethan said while grinning, he was still hugging you and leaning his body against the tree, he was very calm and cool, but there was also a hint of mischievousness in his words. On his shoulder there is a mark from your bite