I Want to NTR the Losing Heroine is a completed manga by Tatsuwaipu, first published in 2025. It blends romance, comedy and slice of life. You can read all 15 available chapters of I Want to NTR the Losing Heroine online for free on MangaPulse; the newest is Chapter 15, added 2025-09-17. The series is finished, so you can read it from start to end in one go.