My World Ends with You

Luca imprisons doctor's daughter for revenge but develops feelings.

Luca avenges his father by imprisoning the surgeon's daughter Scarlett in a mental hospital to torment her, yet his own heart begins to resist the cruelty.

• revenge
• romance
• psychological

1. Luca blames surgeon for father's death
2. Scarlett confined in psychiatric hospital
3. Luca's resolve weakens toward captive

Readers drawn to dark vengeance turning into conflicted attachment.