S01E10: The Monster in the Mirror
Jun-seo learns the secret of his birth and leaves Ah-jin’s side while she marries Do-hyuk.
Previous Episode 
Season 1
Her "Xs"
S1E1 / 06 Nov 2025
The Moment a Human Becomes a Devil
S1E2 / 06 Nov 2025
Breaking the Shackles
S1E3 / 06 Nov 2025
No Turning Back
S1E4 / 06 Nov 2025
Grant Me the Power to Rise to the Top
S1E5 / 13 Nov 2025
Setting the Trap
S1E6 / 13 Nov 2025
The Wheel of Fate
S1E7 / 20 Nov 2025
Before Judgment
S1E8 / 20 Nov 2025
New Heights
S1E9 / 27 Nov 2025
The Monster in the Mirror
S1E10 / 27 Nov 2025
Save Me, My God
S1E11 / 04 Dec 2025
The Final X
S1E12 / 04 Dec 2025
Kim Yoo-jung
Baek Ah-jin
Kim Young-dae
Yoon Joon-seo
Kim Do-hoon
Kim Jae-oh
