The supporting character's harem is very normal - Chapter 28: This is…

Hurt. Bullied. Ignored. Boris decided to end his life in the most pathetic, cowardly way imaginable.But of course—how could even death go right for him?Fate, it seems, had other plans.Boris wakes up in another world, reborn as Kaden Warborn—the second young master of the Warborn family. A clan of glorious madmen who treat death like a family tradition.And wouldn’t you know it—death comes knocking again.[Congratulations, Host. You have awakened the Cycle of Rebirth System.][Core Principle: Die to grow stronger.][So go on, Host. Don’t be shy.][Court death.]…Excuse me?Armed with a system that rewards dying, surrounded by maniacs who treat funerals like festivals, Kaden Warborn begins his new life.Hopefully, this time, not like a coward.

Lynch crosses over to the Wizard World and becomes a Wizard Apprentice specializing in Biological Transformation, armed with a Skill Level system.Thus...He equips a lizard with bat wings, transforming it into a ferocious yet adorable Dragon Attribute creature.He transplants gastric mucosa to the Cannibal Flower to enhance its digestive system.He equips the Poisonous Mushroom with a mouthpiece, transforming it into a Little Spraying Mushroom.Transplanting eyeballs, modifying organs, adding limbs...From a little wizard, he hustles his way to becoming the master of the world, starting from the transformation of low-level Magic Plants until he creates an Angel.

“What I want, the Heavens shall not lack! ”

The Hero’s party was attacked by a large group of powerful devils. The party will no doubt be annihilated if this were to go on.