The supporting character's harem is very normal - Chapter 407 Grenoss

Jerry traversed across worlds and arrived in a Beast Summoning era. In this world, everyone could summon their own pets. Darkness was looming, and the world was in turmoil. Relying on the power of their summons, many shrines plundered the resources at every corner of the world like tyrants. But when everyone else was summoning adorable pets that could help them in battle, Jerry discovered that his summoned pets were a little different. Other people's pets are all kinds of beasts, but Jerry summoned gods from Greek mythology! King of the Gods, Zeus, “Master! I, Zeus, is at your command!” Athena, “I will fulfil all your requests, master!” Poseidon, “I will conquer this sea in the name of the master!” In constant summons, step after step, Jerry became the supreme ruler of this world!

Su Yun was a prodigy, blessed by the gods. However, life is never so easy. Soon after reaching 6th stage in spirit novice realm cultivation, his progress stagnated due to incurring a rare medical condition.

A girl who calls herself a demon appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under a false pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.

Blondina was a princess with commoner blood in her veins. She lived quietly in the Star Palace among the heavens, but one day, she heals a wounded cat. The cat became a balm to her lonely life. But the lovely cat was actually…

***

Amon stepped on the neck of the prince.

Amon eyes stared coldly at the prince.

“Humans dare threaten mine?”

“I didn’t know… I don’t know, it’s Blondina…”

“Yeah, I don’t know. But I don’t know either. How much power must be adjusted so that you will not die.”

As Blondina, who was watching, grabbed his collar to drag Amon,

Amon turned slowly and laughed at Blondina.

“Don’t worry, Blondina. I will kill anything that bothers you.”

***

What to do with him.

It seems that I picked up a scary creature without my knowledge.