Life Reopens the Empire of Freedom, and the Beauty Is Perfect

[Pure fiction + no harem + relaxed + funny + Nanliang + a little yandere plot] What would your life be like if one day your appearance suddenly improved? Cole, a good-looking time traveler, encountered such a problem. His mother takes him with her every day and uses him as a pillow when sleeping. His brother is a girl-controller. Although Cole can't beat him every time, his brother will stop bullying him when he cries. His girlfriend is even weirder. She is obviously a female copper, but she keeps pestering him and says she only wants him? "Is this a world full of good looks? How strange!"