The supporting character's harem is very normal - Chapter 23: Contract…

Luo Yi, a high school dropout in his original world, was isekai’d into the world of the Witcher 3. Starting out as a weak boy named Roy in the village of Kaer, Lower Posada, he was determined to grow stronger, no matter what it took. The first step toward becoming a legend was to kill. And his first kill was… a rooster. ‘You gain 1 EXP.’ Of course, Roy had his own cheat system like all the other isekai protagonists. His first step to becoming a legend started now…

High school student Misumi Makoto is called into a fantasy world by the god Tsukuyomi, in order to be a hero. However, the Goddess ruling the world isn’t as thrilled to have him there, and kicks him to the edge of the world. Tsukuyomi declares that Makoto is free to find his own way after Makoto is abandoned by the other Goddess.

Yun Rong, the mountain demon, had slept for 2,000 years. She could only be awakened by the offering and prayers from the common people. However, one day she was rudely awakened by a weird machine called excavator.

Yun Rong was really angry. Which wicked person dares to move my mountain! She decided to show herself to the person in charge to resolve the situation.

Yun Rong: “Who permitted you to move my mountain?”

Development Manager: “Our company’s General Manager.”

Yun Rong: “Outrageous! Take me to see him!”

The Development Manager disdainfully said: “Do you think just because you want to see our General Manager you could meet him?”

Yun Rong modestly asked: “Then how could I meet him?”

Development Manager: “Minimum you have to be worth 100 million!”

From then on, Yun Rong went down the mountain to raise her worth to at least 100 million only to discover that the world had changed a lot after 2,000 years. Apart from blessing the common people with good weather for crops and abundant harvest, she couldn’t do anything else. She realized then it would be quite difficult to raise her worth to 100 million.

Lu He Nian said pamperingly: “Not difficult at all. What’s mine is yours.”

Yun Rong said innocently: “Wishing your family luck and prosperity!”

( mountain demon is also known as mountain god )

- Description from Novelupdates

Traveling through Marvel and transforming into a girl, fortunately inheriting the broken godhead of Athena, the goddess of war and wisdom in Greek mythology.

When encountering a crisis, turn into the Goddess of War Wisdom, wear noble and gorgeous sacred clothes, hold the scepter of the Goddess of Victory and the Shield of Justice, form a saint warrior to protect yourself, create a sanctuary, and stand tall in the heavenly city and hell against all invading enemies.

Tear the sky, smash the earth Eighty-eight saints fought passionately for the goddess and the enemy, killing all hypocritical gods and demons who covet the world.

Kyle will lead his saints to the top of the universe, surpassing the five major gods and becoming the main god.

(It’s not too much, ten changes a day, just flowers and a monthly pass. The more flowers, the more motivation.)

- Description from novelbuddy