The supporting character's harem is very normal - Chapter 319 Can I scream?

Witnessing her boyfriend cheating on her with her bestie, Shiyao was so angry that she went to a pub for fun and met a man, who was really a piece of work. After a crazy night she fled away, but was embarrassed to know that the man she slept with was her boss You Ze.
Jesus, give her a break!

- Description from Novelupdates

When a young woman is killed in a traffic accident on her way home from work at a tax bureau, she suddenly finds herself transported to the world of the otome game she was playing the night before – but instead of the heroine, she’s been reincarnated as the bad guy! Using her knowledge of the game, “Iris” manages to avert personal disaster and decides to rebuild her life with her modern-day economic know-how. This is one mean girl who isn’t going to let her perceived reputation stop her from being a heroine!

What happens when you transmigrate to Beast World? With the system in hand, the world is for your taking! One day, Su Tang, an intern at the hospital, is struck by a system and transmigrates to Beast World. It's a wondrous world with winged tigers, fire-spitting birds, and enticing man-eating flowers… Everything in this world leaves Su Tang awestruck!After the Chief of Winged Tiger Tribe saves Su Tang, she learns how backward this place was. Su Tang is determined to help change the world! Under the system’s guidance, she helps to extract salt, build homes, dig traps, make weapons and store food for winter… And perhaps even save the world while she's at it!

What does it feel like to be betrayed by the person closest and most trusted?Having been reborn, Hua Mi says that the first priority in surviving the apocalypse is to have sufficient supplies, stay away from the crowd and the White Lotus, and lay low until the end.Just as she rolled up her sleeves, ready to make a big effort, she suddenly activated a supermarket space and the Cashier System?!Tsk, why struggle in life when you can just stock up on goods and breeze through it?However, looking down at her increasingly large belly, Hua Mi carried baby formula in her left hand and a Chopper in her right.Where did this kid come from?!The plan had gone a bit awry, the first priority was to ensure the baby’s safe birth, and, to be wary of the man who kept staring at her belly every day.Man: Honey, why do I feel like you're getting fatter recently? You look like you're pregnant.Hua Mi: It's not like...