The supporting character's harem is very normal - Chapter 303 Sakuth’s worries

He died on Earth with nothing—no legacy, no power, and no second chances... or so he thought.After getting hit by a truck, a disillusioned young man awakens in the body of a boy named Zane, in a war-torn fantasy world where nations clash over power, and magic is the law of survival. Gifted a mysterious book from parents he barely knew—and now lost forever—Zane accidentally awakens the Void System, a cold, cryptic force that offers power... at a price.In a world of monsters, systems, and bloodshed, Zane doesn’t get a choice.Survive, or vanish into nothing

[R-18, Mature Element Warning!] [Multiverse!]A young man with a questionable job dies, eaten by a shark. To his surprise, afterlife was a spinning roulette that decided his next world and powers, with an annoyed Goddess supervising the process.The Gamer System welcomes him with open arms, and he shivers in the endless potential it holds. If used right, he knew The Gamer could step beyond even Godhood. Beyond God.Out of desperation, that was exactly what his goal became. The Goddess was a snitch, and now she and her fellow Gods wanted him dead. What, and why?In the end, [Soul 799], soon to be renamed as [Neji Hado], becomes a Cursed Soul.-—-Tags: Gamer-System, Gray-MC, Harem, Incest, Mature, Multiverse, R-18, OP-MC, World-Hopping.First World: My Hero AcademiaSecond World: NarutoThird World: Fate/Grand OrderFourth World: High School DxD

In a bizarre twist of fate, Damien, an ordinary man from our world, finds himself inexplicably transported to a medieval fantasy realm. But this is not a simple tale of displacement; Damien undergoes a profound transformation, awakening as Logan, a wolf beastman and the destined heir to the chieftainship of the wolf beastmen Tribe.As Logan, he inherits not just a new form but a complex legacy of power and ambition, underpinned by the dreams of his tribe to elevate their leader to the divine status of a wolf deity. His transformation is accompanied by the mystical Tribal Chief System, a potent force that endows him with extraordinary knowledge and abilities, elevating his potential far beyond any ordinary beastman.The story intensifies when Logan’s father, the revered chief of the beastmen Silvermane, perishes in battle. This tragedy thrusts Logan into a leadership role much sooner than anticipated. As the new chief, he must navigate a world rife with dangers—both from rival tribes jealous of the Silvermane's prosperity and darker forces that threaten the mystical balance of the realm.Logan's ascent to power is an arduous journey of personal growth and leadership. He must harness his new abilities to outmaneuver his enemies, solidify his tribe's standing, and forge crucial alliances. The Tribal Chief System guides him, offering strategies and powers that could dictate the future of his people.

Damian, a Centurion of the Punishment Unit of the Baroque Kingdom. “Damn it.” Just once. If I were given just one more chance… ‘I would have truly conquered the battlefield with these guys.’ At the age of 30, he closed his eyes on a nameless battlefield. But when he opened them, he found himself back 17 years in the past. And this time, he had a perfectly functioning mana core that could wield magic. ‘This time.’ I will rise higher than anyone else. I won’t be swept away by the turbulent times. ‘I will conquer.’ Damian, who has returned to the past, wields his spear toward the world.