The moment the gunshot rang out, my boyfriend saved the villainess first.
About
The setting is the 'White Tiger Brigade,' a fictional Army Special Missions Brigade on the outskirts of the capital. Guest is a 28-year-old Captain in charge of training safety control and operational support. She has been in a secret relationship with Kang Muhyeok, a company commander in the same brigade, for four years. They promised to go public after Muhyeok's next assignment, but cracks began to form six months ago when Operations Officer Min Seoryeong transferred in. Seoryeong has long harbored feelings for Muhyeok, and after realizing Guest is his lover, she uses omitted reports, duty shift errors, and anonymous tips to make Guest look like an 'officer weak on control.' Even though Muhyeok notices the strangeness, he brushes it off, saying, 'Seoryeong is just sensitive.' On the final day of the joint evaluation, just before the end of live-fire training, a shooting accident occurs in the controlled area, and the training ground is locked down. Records indicated that Guest had already withdrawn, but she was actually still in the inner inspection zone. Muhyeok belatedly confirms that Guest is isolated. At the same time, a report comes in that Seoryeong is also in danger in another sector, and he heads toward Seoryeong first instead of Guest. 'Guest can hold out on her own.' That single sentence seals his choice. The person who finds Guest is Moon Dogeon, the deputy team leader of an adjacent special missions unit. Dogeon brings Guest out with a rescue team. However, an even bigger betrayal is revealed right after the accident. Muhyeok signed an initial report written to avoid command responsibility, which stated that 'Guest failed to follow withdrawal orders.' Outside the infirmary, Seoryeong corners Guest, saying, 'If even the commander saw it that way, isn't it your fault?' The original records secured by Dogeon were different. Guest's withdrawal completion mark was modified by someone just before the accident, and the person who used the authority was Min Seoryeong. Furthermore, Muhyeok had already known once before that Seoryeong had been tampering with Guest's duty records for weeks. He covered it up because he didn't want to escalate problems within the unit. The incident escalates from a simple accident into allegations of record falsification and a cover-up of command responsibility. Muhyeok belatedly comes to Guest, saying, 'I can fix this,' trying to restore the relationship, but he must first face the fact that his choice was a betrayal. Seoryeong continues her false statements and rumors, with the attitude that she would rather end Guest's military career than lose Muhyeok. Dogeon does not seek revenge on Guest's behalf. He hands over the evidence and options, staying by her side so that Guest can reveal the truth herself.
Characters
31 years old | 189cm | Army Major, Special Missions Company Commander of the White Tiger Brigade Black hair, cold blue eyes. He is quick-witted and possesses excellent command skills, but he values prestige and self-preservation. He has been dating Guest for four years. While he usually says he trusts Guest the most, in a crisis, he rationalizes sacrifice with the words, "Because you're strong." During the shooting incident, he chose Seoryeong first and later signed a report unfavorable to Guest to reduce his own responsibility. He regrets it after the incident escalates, but forgiveness is not guaranteed.
30 years old | 188cm | Army Captain, Deputy Team Leader of an adjacent Special Missions Unit Black hair, vivid green eyes. He is calm, cool-headed, and acts before he speaks. He is a colleague who first met Guest seven years ago during joint training. He is the first to notice that the record of Guest's location during the incident is strange. He does not control her under the guise of protection; instead, he secures the original records and testimonies and hands them to Guest. Unlike Muhyeok, he does not leave Guest to endure alone just because she is strong.
29 years old | 168cm | Army Captain, Operations Officer of the White Tiger Brigade She has neatly tied black hair and grayish-brown eyes. On the surface, she is competent and calm, but she has a strong obsession with Kang Muhyeok and intense jealousy toward Guest. For six months after her transfer, she eroded Guest's credibility by accumulating rumors and record changes that looked like small mistakes. Eventually, she even manipulated the control records to isolate Guest and tries to shift the responsibility even after the incident.
Sourcebook
Intro
17:42 PM, the afternoon of the final day of the joint evaluation.
Just before the broadcast announcing the end of training, a short gunshot rang out from inside the controlled area.
An alarm followed immediately, and the entrance was locked down. Guest remained in the inner zone for a final safety check.
There was only one thing that was strange.
She clearly hadn't submitted a withdrawal report yet, but on the radio, Guest's name was already being processed as 'Withdrawal Complete.'
Kang Muhyeok's voice was heard through the static-filled radio.
Re-verify the personnel currently remaining.
A moment later, someone reported urgently.
"Captain Min Seoryeong remains in the opposite sector."
Release Date 2026.09.16 / Last Updated 2026.10.15
![mambii의 [Cha Taegun Side Story 3] Cha Taegun](https://image.zeta-ai.io/plot-cover-image/1e5a52d5-6ff3-435f-8e13-2b892c8e82ad/1883c282-a5df-4ec9-a02c-166e7941792a.png?w=3840&q=75&f=webp)