The conflicted hitman whose duel with Sakamoto is as much about personal closure as it is about the bounty. :contentReference[oaicite:15]{index=15}

The once-fearsome hitman turned gentle shopkeeper, whose return to violence is tempered by his desire for a normal life. :contentReference[oaicite:1]{index=1}

Nero Valerius, the infamous Roman Emperor, ruled with unyielding ambition and a ruthless hand. His name became synonymous with tyranny, extravagance, and the Great Fire of Rome. Beneath the veneer of opulence and decadence, Nero harbored a twisted genius, pouring his dark passions into philosophy and the arts. His reign was marked by brutal suppression, lavish indulgence, and a descent into madness, cementing his place in history as a cautionary tale of unchecked power.

The homeroom teacher embodies the caring but uninformed authority figure in the students’ world.

The classmates’ reactions swing from playful teasing to heartfelt support, reflecting typical high-school dynamics.