The supporting character's harem is very normal - Chapter 114 Poor Alec

Accidentally, she got pregnant.

“There is a scar on my stomach which is hard to heal over the years”..

Ning Yu is forced to marry Song Bai Lao, whom he was deeply entangled as a teenager. Because of the misunderstanding they had before, Song Bai Lao keeps bad-mouthing Ning Yu to the point that he even becomes Ning Yu’s nightmare. As they get together, Song Bai Lao finally confronts his feelings for Ning Yu, and Ning Yu finally sees his true feelings and sincerity.

- Description from Novelupdates

Second Awakening? A System? Having lost the battle of the Dark Catastrophe to the demons—spawns of the Dark Gods— humanity is given a chance at making things right once again. Born as a twin into a family of high ranking talent awakeners, Damien Terrace is met with trouble when it is his turn to perform the ritual. After awakening the E-Rank Summoner talent, Damien loses everything to his twin. Exiled by his father to perish away from them, Damien goes through a second awakening that changes the play field for him. Ding! [The God of Summons is furious and has blessed you with a system!] [You have fused with the Mythics Summoning System—A system that only allows you to summon mythical beasts!] [Obtain nineteen Magic Essence Cores to boost your core to the next level!] [Slay 200 more demons to unlock another summon!] Damien’s only option is to evolve!

Reyhan Alther died at the age of 20 and was reincarnated… as the wind. Formless and directionless, he drifted through a new world filled with wonder and cruelty. But from that breeze, everything began. With a mysterious power called the Divine Spirit System, Reyhan slowly rose—guiding spirits, gathering followers, and changing the course of the world. From a lonely gust, he became a figure known as Father… even to the gods.A battle of fate awaits. But before that, there's still time for the wind to whisper… and maybe crack a small joke or two.