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Marriage Toxin S1E4 — The Sound Master

7.4

Marriage Toxin•Season 1•Episode 4

The Sound Master

7.4/10 · 331 votesApr 28, 202624 min

Ranked #12 of 13 in Season 1•−0.5 vs season avg

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

Previous episodeE3 · My First Next episodeE5 · Lord Chladni

Seasons2

Season 1 Episodes13

The Poison Master's Search for a Bride still

The Poison Master's Search for a Bride

What Is "Charm," Anyway? still

What Is "Charm," Anyway?

My First still

My First

The Sound Master still

E4 7.4Now viewing

The Sound Master

Lord Chladni still

Lord Chladni

Together with Me still

Together with Me

The Bug Master's Wedding still

The Bug Master's Wedding

The Hitman Hunter still

The Hitman Hunter

The Animal Kingdom still

The Animal Kingdom

Good-for-Nothing still

Good-for-Nothing

Offering still

Offering

Heart and Soul still

Heart and Soul

Thanks, Man still

Thanks, Man

Cast10

Haruki Ishiya

Haruki Ishiya

Hikaru Gero (voice)

Shion Wakayama

Shion Wakayama

Mei Kinosaki (voice)

Anna Nagase

Anna Nagase

Kyoko Himekawa (voice)

Mariya Ise

Mariya Ise

Shizuku Ushio (voice)

Asaki Yuikawa

Asaki Yuikawa

Shiori Ureshino (voice)

Soma Saito

Soma Saito

Genya Naruko (voice)

Hinano Shirahama

Hinano Shirahama

Kimie Arashiyama (voice)

Shimba Tsuchiya

Shimba Tsuchiya

Piichi Nakagawa (voice)

Haruka Shiraishi

Haruka Shiraishi

Akari Gero (voice)

Isamu Yusen

Isamu Yusen

Toshiki Hanamaki (voice)

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Episode Summary

"The Sound Master" is episode 4 of Marriage Toxin season 1. It scored 7.4/10 from 331 votes, ranking #12 of 13 episodes this season (season average 7.9). It aired on April 28, 2026.

Next: E5 · Lord Chladni Best of Season 1