Bleach: The Strongest Shinigami

Akira Kisaragi traverses into the Bleach world, unlocking a check-in system.He initially thought that by checking in daily, he could become stronger, soon become the Captain-Commander, join Division Zero, punch Yhwach, kick the Soul King, and marry Unohana...However, the system's style wasn't quite what he had imagined. Check-in complete, obtained Genrysai Yamamoto's secret roasted sweet potato! Check-in complete, obtained exclusive attribute: King of Normal Attacks, effect... Check-in complete, obtained Retsu Unohana's... Akira's eyes suddenly lit up!"Seems like this might not be so bad after all!"