The supporting character's harem is very normal - Chapter 94 At least, I won’t abandon you.

After crossing over to another world which seemed to be a fusion between many anime worlds, The Fantasy System was unlocked for Mu Fan. After finishing the tasks given by the system, Fantasy points are given which allows him to gain access to the Fantasy store that was full of daily talents and more.

Yuuki Asuna: You know how to cook a lot of dishes. Can you teach me?

Sagiri: I don’t know anyone called Eromanga-Sensei.

Many more characters and interesting plots await us.

- Description from Novelupdates

This story is about a god level player, Li Cangyu, who returns to the game Miracle after being away for several years. The story explores him playing the game and setting up a team in an attempt to finally win a trophy in the Miracle Professional League.
E-sport God Series 1 “The Strongest God”
E-sport God Series 2 “God Level Summoner”
E-sport God Series 3 “The King’s Return”

Elliot Hawthorne, had transmigrated into the body of a struggling apprentice mage, and now had one simple goal, summon a small, harmless spirit to pass his magic academy’s final exam. But thanks to a mistranslation in an ancient grimoire, he instead summons Azrael, the almighty Demon King.That would’ve been bad enough…. but then the spell accidentally binds them in an unbreakable marriage contract.Now, Elliot is stuck with a possessive, dangerously powerful, and ridiculously affectionate demon husband who:Carries him everywhere because “His cute little summoner’s feet shouldn’t touch the ground.”Summons hellfire just to keep Elliot warm when he complains about the cold.Declares war on any kingdom that dares to call Elliot “single.”Refuses to be unsummoned.“Why would I leave? My husband is here.”Worse, every holy knight, exorcist, and jealous god now wants Elliot dead for “stealing” the most powerful demon in existence.. Stuck with a one-in-a-million system dungeon and a devilish Demon husband, Elliott's life is constantly on the brink of disaster...But when Elliot starts uncovering secrets about the contract, he realizes…Did I really summon him by accident? Or… was Azrael waiting for me all along?One way or another, Elliott’s unlucky life becomes worse. An impending doom threatens the existence of the human and mortal worlds.And as if that wasn’t enough, he’s also stuck with a Demon for a husband.But maybe, just maybe… being bound to a dangerously powerful Demon King isn’t the worst fate after all.

Nine Characters, all bound to the whims of a 'Deranged Entity.'All the clues they have are the vast differences they have with those that bore them.His Madness has seeped into them, crowning them with Glory. They shall come to know the price of Sin & Virtue by Sacrilege & Madness:Krael _My Pride can overturn Creation, drowning it in the madness of an unwilling. And yet I have to offer servitude to one who will always be beneath me, in the twisted guise of learning Humility - If only she knew how I long to grind her bones, she would know to control her tongueBorn to Pride, servitude to Humility.:Kaelan_My Hunger can consume the very foundations of existence leaving behind an abyss born from my will. And yet I have to exercise temperance lest I lose meaning. Why do the gods mock me so...to give me all I can ever eat, and yet never to touch any satiate my growing hunger. I have seen the cruelty of the divineBorn to Gluttony, raised by Temperance:Zaen_My Envy stalks the might of existence, wishing for its grandeur to be mine. And yet, my envy is never allowed to fester for Kindness plagues me like a curse. Compassion that was never mine, empathy I could care less about, heavens know I would rather drown in my own spit than to share goodwillBorn of Envy, chained by Kindness:Xaelan_My Greed clouds the hearts of even gods, from the mortal coils to the vastness of the cosmos chaining the 'Old Ones to sin. I feel the sickening embrace of her love, and yet I can never have it, for whatever is mine, I must give. To know Charity—that bustard—is the punishment I was accordedBorn in Greed, defiled by Charity: ...My Wrath burns the Heavens and fuels the pits of hell, bringing the end to all, as I ride my mount to Herald the storm. -Oops, this is not my stage. Sorry, but worry not my progeny will carry the mantle on my behalf. As they unleash the wrath stocked in their blood. But soon they will learn just how deep my Lord intends to go and that only Patience is the key to his games...hahaha...poor children, if only I could march alongside you in misery.Born to Wrath, burial by Patience:Thaen_My Sloth... uhm mm... well, I am too exhausted to think of a monologue.But Yah, blah blah...something Diligence... All I know is that I am more hard working than all of them combined... that 'guy was truly not fair when dishing them out_Born to Sloth, death by Diligence:Laen_My Lust fuels the passion of Creation, all beings lost in the throes of my splendor, indulging in desires so dark, and yet I am the purest of them all, abstinence is second nature. I weep for desires unfulfilled and yet Chastity that horrendous bi*** mocks me with laughter. Yet it seems only I suffer this cruelty; others are free in indulgence only I am a slave to virtue_Born in the flames of Lust, sustained by Chastity:Haelan_My Hatred runs so deep that the abyss is flooded; the rivers of the underworld are mere streams to my Hatred. I hold nothing but hate in my heart and yet 'he wishes I hold onto compassion. In 'his twisted form of madness, 'he has left me with no other choice. I shall let 'it fester until the day I make 'him pay_Born in the depths of Hate, Compassion my Love and my Death:Raelin_My Despair has seeped into the cracks of existence, corrupting the Light' of the 'Creator. All I feel is the despair and sorrow of all those born and chained in the embrace of 'the sisters' misery.'Unlike them, I search for her, elusive like the wind. I despair for the sight of her, and yet she will always elude me, shunning my pleas_Born in Despair, mourning for Hope...I feel the twisted love 'he holds for us all and yet they do not see it, blinded by Sin and Virtue:>Long but necessary:) what is the story about? Simply it's about the interplay of Sin and Virtue with a hint of Madness and Malevolence. Complicatedly, what makes sense may not actually make sense.