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a manga i forgot the title to: the mc has black hair and dark colored eyes i think- he has an ability that lets him see every truth like it was called the eye of truth or something with world in it. he meets an elf princess who got kicked out of her kingdom by her jealous twin sister. she also has that skill and they do some bonding blah blah they go to the elf kingdom and blah blah the twin sister gets redemption and yeah ( repost ) also it's an manga not a manhwa or anything it is also i think the trope where the characters are summoned from earth to the fantasy world