There was an anime male lead who used to have a very strong power. Later, he used a forbidden power and disappeared. Later, the female lead came to him with a card.

There was an anime male protagonist who used to have a very strong power. Later, he used a forbidden power and disappeared. Later, the female protagonist came to find him with a card. It was a harem. The male protagonist had a sister and the male protagonist's sister did not want to see the male protagonist get injured again because of the battle. The female protagonist was the male protagonist's former partner. Please help. Thank you. I have been looking for it all night.

Answer 1

This question involved anime, strength, forbidden strength, cards, and other keywords. You can refer to the knowledge of the following fans in the field of online literature:

The anime male lead used to be very powerful, but he used a forbidden power and disappeared. This forbidden power could be some kind of magic or mysterious power that caused the male protagonist to lose the ability to use this power.

2 Then, the female protagonist came to him with a card. This card may be a card of some kind of magic or mysterious power. The female protagonist took this card to the male protagonist, hoping that the male protagonist could regain his power.

Based on these clues, it was impossible to determine the specific storyline, but it could be speculated that some mages, forbidden spells, mysterious powers, and other elements might appear. It was suggested to provide more context and details so as to provide a more accurate answer.