The supporting character's harem is very normal - Chapter 469 Barosik vs. Rakka

“Sarah, I promise to help you rise again, to bring back the light to your career and take down whoever shall stand in your way, but in exchange, be my wife” Mason whispered.“I... I appreciate your offer, Mason, but a contract marriage? Can we really keep it a secret?” Sarah returned reluctantly.In the aftermath of a heart-wrenching betrayal, Sarah Chen, the esteemed songstress of Wuhan, crosses paths with the Mason Liu. Heir to Asia's most influential dynasty, Mason, with promises of restoration and secrets, proposes a contract marriage to Sarah in exchange of helping her bounce back to her position as number one of Wuhan. As she hesitantly agrees, will Sarah find not only a path back to stardom but also an unexpected journey of love and self-discovery in Mason's perfect world?

Yang Yang starved to death once, so after rebirth, he had only one wish: food and clothing.

However, in the blink of an eye, Yang Yang heard his uncle say that he had to cut open his stomach to take out the eggs.

Yang Yang: … I advise you to be kind.

In order to protect himself, Yang Yang found out the identity of the father from the birth center, and he embarked on a road of no return.

Yang Yang: Duke, your family is in my hand.

A young unmarried duke: ? ? ?

- Description from Novelupdates

The story is centred around a cute android who initially had a happy life with her master who dearly loved her. But she was then struck by a series of misfortunes and ended up in a robot-equivalent of concentration camp. Through experiencing and witnessing the sufferings towards herself as well as the people/robots around her, she eventually gained a better appreciation of life.

(Isekai, Fantasy, Non-transmigration, Unconventional, Ensemble cast, Meticulously crafted setting, Multiple identities, Light novel, Succubus)I have many masks, and each has its own story.I am the unremarkable little artist of the Church of Dawn; the strongest apprentice in the gladiator arena; the killing machine in the eyes of goblins... The holy nun beneath the sunlight is me, and so is the old gentleman on the train... I have hurried through underground tunnels in escape, and I have left behind beautiful legends on the frontier...Beneath the mask, there is an even more beautiful mask; within the lie, there often lies a hidden truth...My name is Ogre. A child raised by ogre since birth. It's a pleasure to meet you.