The supporting character's harem is very normal - Chapter 516: Do you want to see your face now?

“You’re not taking me to bed. Ever.”

Prometheus, the infinite fortress of time, a crossover point for the infinite worlds of machine wars, Our protagonist, Xiao Ran, was put into great pressure due to having only attributes that do not exceed 10, making him as weak as a chicken. But being familiar with the storyline of each mission world, Xiao Ran exclaimed that the world would be his.

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Mission world: “Gundam SEED” -> “Macross F” -> “Gundam 00” -> “Ultimate Mission” -> “Kakumeiki Valvrave”-> “Gundam 0079” -> “Gundam Seed Destiny” -> “Super Robot Wars OG”

- Description from Novelupdates

In a time when the Divine Prefectures of the East Sea were in great disarray, Emperor Ye Qing and Donghuang the Great appeared to save the day. Under their rule, the prefectures united and all nations as well as their kings have been controlled. However, the legend of these two great heroes becomes altered when Emperor Ye Qing’s name is wiped from the history books after his sudden death. All statues and images of him were destroyed and his name a taboo. Only the legend of Donghuang the Great shall live on.

Fifteen years later, a young man by the name of Ye Futian begins his journey in search for his true identity. The legend of Futian was going to be one for the history books.

- Description from Novelupdates

A free spirit meets her match in all-around perfect bachelor whose humorlessness is his only flaw. When Xia Zhen reaches the unfortunate marriageable age, she is forced to go on a blind date where she meets Pei Cheng An. Her cunning plan is to pretend to be completely infatuated with her date in front of her mother, while sabotaging the actual relationship. Except Pei Cheng An isn’t the type to follow the script.

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In Xia Zhen’s opinion, Pei Cheng An is a person whose way of thinking belongs in the last century and whose manner of speaking reminds her of her grandpa. But since he looks dreamy and has qualifications, she’ll just pretend that she has fallen for him at first sight.

Eh? Pei Cheng An also finds her good enough to start a relationship with.

Great. Now when he finds out that she’s not a suitable partner for marriage and dumps her, she can return home all heartbroken and request to temporarily go on a brief no-blind-dates period. This is excellent. However…

“I’m so unreasonable. Why aren’t you breaking up with me?”

“A man should be tolerant towards his girlfriend.”

“I’m so mean to you. Why are you being so kind to me?”

“Girlfriends are meant to be spoiled.”

“I’m not gentle or considerate. Why aren’t you breaking up with me?”

“Likely it’s because… I like you.”

- Description from Novelupdates