Spell Weaver - Chapter 36: The Best Laid Plans

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

Leon, who suddenly died from the wear and tear of his corporate drone life, got a second chance in America. This time he wanted to live a different life and incidentally find out just how far human limits could go.----------Featuring: Riding, Running, Arm-wrestling competitions, Titan Games, Slapping Contests, Strongman Competitions, UFC Mixed Martial Arts

Travel to the game world.

Matthew found that there seemed to be a little problem with his system.

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“Occupation: Necromancer

Task: plant trees

Target: 1000 trees

Reward: Summoned item ‘Bone Dragon’ & a lot of EXP”

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In this way, a necromancer who respected the way of balance more than the druid was born.

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- Description from novelbuddy