At the beginning, he transformed into Emperor and was summoned by the cold school beauty.

Ye Feng was reborn into the world of knights and became Kamen Rider Decade. He killed all kinds of knights along the way, collected knight cards and became the strongest Kamen Rider.
From then on, he began to rely on Kamen Rider Decade's unique dimensional wall ability to open the space-time gate leading to other worlds, travel in different worlds, and become a real passing Kamen Rider.
Until one day, Ye Feng accidentally killed a legendary beast - the Ice Flame Phoenix - while traveling.
It turns out that this Ice Flame Phoenix is ​​the summoned beast of the cool school beauty Ji Yanyu.
no way.
To make up for Ji Yanyu.
Ye Feng had no choice but to temporarily serve as Ji Yanyu's summoned beast to help Ji Yanyu become the strongest summoner.
Before he knew it, he had also become the most powerful summoned beast in the world.
.............
My name is Ji Yanyu, and I’m the school beauty of the Junior Beast Taming Academy.
Since childhood, I have always aimed to become the strongest summoner. I have worked hard and never dared to slack off.
however.
When I summoned my summoned beast for the first time during the awakening ceremony.
What was discovered was a man.
My sky is falling.
How could a man like this, who looks ordinary and has nothing good except being handsome, help me become the strongest summoner?

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