I hate being in pain, so I think I'll make a full defense build - Chapter 464

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.

Promise transmigrated to the TYPE-MOON world and became one of the students of Waver Velvet at the Clock Tower.But a dream must eventually come to an end.Upon waking from a night's sleep, he recalled his identity as a transmigrator and also discovered his golden finger.A Heroic Spirit Class Card.It can take Promise to different eras, and by leaving behind corresponding legends, he can ultimately ascend to the Throne of Heroes!He thus travelled to ancient Greek mythology and Norse mythology.Promise: “I heard after death, you can ascend to the Throne of Heroes. What are you waiting for, come on, kill me!”(PS: This book is not a traditional simulator story; its content mainly revolves around the Age of Gods, hence the Age of Gods is a long narrative!I didn't use TYPE-MOON in the title as it was already too large)

Introduction to One Piece’s Bounty System: Tianlei crossed the One Piece World and become the nephew of the Navy Admiral ‘Sakazuki, ‘Akainu’, Tian Lei thought it was very outrageous until he found himself having a [bounty system] that can be exchanged for everything in the world of One Piece. As long as you kill or capture pirates, you can draw a Skills, weapons, and devil fruits. Such as ‘Navy Six-style’ ‘Overlord color Haki (Busoshoku Haki)’ ‘sense color Haki (Kenbunshoku Haki) ”armed color Haki’ ‘devil fruit’ ‘sword skills’ have everything!

- Description from Novelupdates

There’s the so called class transfer.

Among the high school students that were given cheat abilities, Kirishima Ran was given 『Underling Training』for some reason, a skill that can make a woman a slave.

Ran who was driven out by the kingdom using an absurd reason will make use of the given skill freely to take revenge on his classmates, release his desires (This is mainly the reason), and fight off the world’s system.

It’s a story of him using his wonderful skill making his classmates turn to an obedient cute and lewd slave.