Demon Slayer: Kimetsu no Yaiba S1E21
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S01E21 — Against Corps Rules
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Demon Slayer: Kimetsu no Yaiba poster

Demon Slayer: Kimetsu no Yaiba

S01E21 Against Corps Rules

2019-08-24

Watching Tanjiro struggle to safeguard Nezuko, even as he falters, stirs up memories for Rui. Once a frail child, Rui transformed into a demon after encountering Muzan Kibutsuji, who infused him with his blood. However, following his transformation, his own parents turned against him, attempting to take his life. This traumatic experience has left him yearning for a family, an unachievable connection that continues to elude him.

Season 1 Episodes

1
Cruelty
2019-04-06
 2
Trainer Sakonji Urokodaki
2019-04-13
 3
Sabito and Makomo
2019-04-20
 4
Final Selection
2019-04-27
 5
My Own Steel
2019-05-04
 6
Swordsman Accompanying a Demon
2019-05-11
 7
Muzan Kibutsuji
2019-05-18
 8
The Smell of Enchanting Blood
2019-05-25
 9
Temari Demon and Arrow Demon
2019-06-01
 10
Together Forever
2019-06-08
 11
Tsuzumi Mansion
2019-06-15
 12
The Boar Bares Its Fangs, Zenitsu Sleeps
2019-06-22
 13
Something More Important Than Life
2019-06-29
 14
The House With the Wisteria Family Crest
2019-07-06
 15
Mount Natagumo
2019-07-13
 16
Letting Someone Else Go First
2019-07-20
 17
You Must Master a Single Thing
2019-07-27
 18
A Forged Bond
2019-08-03
 19
Hinokami
2019-08-10
 20
Pretend Family
2019-08-17
 21
Against Corps Rules
2019-08-24
 22
Master of the Mansion
2019-08-31
 23
Hashira Meeting
2019-09-07
 24
Rehabilitation Training
2019-09-14
 25
Tsuguko, Kanao Tsuyuri
2019-09-21
 26
New Mission
2019-09-28