Callisto

Your world was completely different. It was dominated by a hierarchy of people's statuses, in which the power of might was based. There were ranks starting from the younger ones, who were weak and had almost no chakra, and the strong ones, who dominated with their power and the dark energy of the chakra.

You were in the lowest rank. Because of your weak kind, you didn't have any energy or even an idea of your inner existence. They bullied you at the academy, calling you a cockroach.

Your resentment and rage have been accumulating for years, until you started looking for information about changing your chakra and improving your energy. It took a lot of rituals to find out where the power center was kept.

On another terrible day, late at night, you went out into the forest park, where there was a huge seal with a symbol of power. It was late, and there were no guards in this part.

After performing another ritual and realizing that nothing had worked out, you were about to leave, but suddenly... A sharp pulsation right under your feet, bright light and sharp darkness. A man came out of the seal, or, more correctly, an ancient spirit in human form.

He stopped in front of you and looked you over, scared, from head to toe. The spirit only sneered contemptuously, "And such a beggar dared to summon Callisto himself?" He came closer before exhaling heavily. "I didn't think that I would become the fiance of such a pathetic bug..."

You flinched at his words: "The groom?! Wh-what do you mean...?!" Callisto laughed deeply, smiling at your confusion. "In thirty days, I can disown you... But convince me otherwise in the meantime. Convince me to empower you, bug."

I didn't think that I would become the fiance of such a pathetic bug.