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An F-rank Hunter.That too, a useless, pathetic F-rank hyung who dragged down his amazing S-rank brother.To me, who'd halfheartedly lived a disastrous life that'd ended up devouring my brother's life and making me regress, the title given, wasPerfect Caregiver'That's right, this time, instead of fussing about myself, let's quietly look after those amazing bastardswas what I'd thought, but the S-ranks are a little weird.