MADman - Chapter 62: Book leads to this

Thea Lynch was seventeen when she injured her ear and temporarily lost her speech. Her parents passed away in a car accident, leaving her and her brother to rely on each other. Later, her brother was transferred for work and left, and she was taken to live at her grandmother's house in Westmere. During this period, her brother entrusted friends to check on her, and the one who visited most frequently was the “Third Brother”—Ian Preston, who was five years older than her.Coronet is over a hundred kilometers away from Westmere, yet he insisted on accompanying her to see doctors, patiently teaching her how to speak, and even appearing at her school gate every evening. He saved all of his gentle caring for her, but everything stopped abruptly before she could muster the courage to confess. Her secret crush was unsuccessful, and a sudden change at home caused her to leave, cutting off all contact with him.When they met again, it was seven years later when she returned home for a matchmaking date and was cornered by him in the restaurant corridor, “That guy downstairs, is he your date? How come after spending several years abroad, your taste has gotten so much worse? With better options around, how can you choose him?”“Who is the better option?” she instinctively asked.Ian Preston: “Me.”[Childhood sweethearts, getting back together, mutual unrequited love]

“Screw magic, I want to learn how to do cool flips and stuff.”

Magic is awesome, until you've studied it for centuries.

Doevm reincarnates into a human to experience the path of a fighter to its fullest and swears not to rely on magic.

There is only one problem, a goddess stands in his way.

She pits him against both the hero and the villain for all of eternity.

How will he escape this, with magic or his fists? Maybe both?

Yang Yi crossed over the world with a storage space with him. He ended up in some desolate wilderness populated by flying beasts and dangerous predators and also crawling poisonous bugs and snakes. To prevent getting bitten in the ass by venomous bugs when going to the toilet, let the great infrastructure begins –
Our goals are:
Eat well till full stomach.
Having clothes to wear but also being good looking.
To have a house that could cover all seasons.
Roads that leads to every place; develop agriculture, industry and commerce together.
No shortage of both material and spiritual needs.
He was DETERMINED to build a safe, comfortable and prosperous modern city in the wild world together with the native tribe with max efforts.

- Description from Novelupdates

A Hentai World is a Dangerous Place, Especially if Your Best Friend is a Hentai Protagonist and You Are a Trap.