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Marriage Toxin

  • 2026
  • Returning Series
  • Animation · Action & Adventure · Comedy
  • ~24m / ep
  • 1 season
  • 8.2/10

For centuries, the deadly arts have been perfected by Masters, and Five Great Families hold the greatest power and influence. Hikaru Gero, an heir to the Gero family, lives in the underworld as an elite assassin. When his sister is pressured to produce an heir, Hikaru asks Mei Kinosaki, a brilliant marriage swindler, to find him a bride. The most challenging mission of his life begins!

Latest: Season 1 · 2026

View all seasons
  1. E1. The Poison Master's Search for a Bride

    Apr 7, 2026 · 24m

    An assassin must marry to appease his clan and save his sister. Small problem: He doesn't know how to date.

  2. E2. What Is "Charm," Anyway?

    Apr 14, 2026 · 24m

    Kinosaki takes Gero to practice dating in a floating art museum that becomes the scene of a heist.

  3. E3. My First

    Apr 21, 2026 · 24m

    Gero fights a Water Master to rescue Himekawa, but his real challenge is taking her on a date afterward.

  4. E4. The Sound Master

    Apr 28, 2026 · 24m

    Gero goes undercover as a student to guard a corporate heiress, but he isn't the only Master on campus.

  5. E5. Lord Chladni

    May 5, 2026 · 24m

  6. E6. Episode 6

    May 12, 2026 · 24m

+7 more episodes — open all seasons to browse every episode.

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