Back to the Sixties: Farm, Get Wealthy & Raise the Cubs - Chapter 24 Nothing Left

After being transported to this world, Nara Kazuki discovered that as long as he grinded enough proficiency, his jutsu could level up.And so, he began walking a very... peculiar ninja path.

David became a pioneer in the Tiran Kingdom and acquired his own territory, becoming a village chief under the kingdom’s rule.

Although his land was located in a somewhat remote and harsh environment where crops were difficult to grow, and the village was only inhabited by him, David believed these difficulties could be overcome.

David declared, “My territory is open to all realms and dimensions. I won’t go looking for you; you come to me!”

- Description from Novelupdates

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –

You feel your strength is insufficient, Strength +1.You have practiced the Golden Bell Shield, Martial Arts Level +1.You have picked up a volume of Taoist scripture, Understanding +1.Your opponent is extraordinarily strong. The Golden Bell Shield has reached Great Perfection. You combined the Golden Bell Shield, Iron Cloth Shirt, and Thirteen Cross Training, all +1, and mastered the Vajra Indestructible Divine Skill. Your opponent's knife cannot harm you and is utterly devastated. ...