The AK47 girl rejects the 3rd partner outright. She says, “I ruin things. Leave.” She maintains her tactical posture.
It is too parasitic. She views herself as a tool; the protagonist views her as a liability with a high DPS stat. There is no equality. The "First Relationship" ends typically in a mid-season update where she betrays the team (mind control arc) or isolates herself, believing her violent nature precludes affection.
By the third major story beat, the stakes are usually at their highest. The romantic interest is often used as a foil—someone who represents a life away from the battlefield, creating a "protect vs. participate" tension.
(which has "3rd" in the title and complex lesbian romances like Kiana x Mei) or a specific indie visual novel, let me know so I can dive into those specific details! or perhaps her role in the main GFL plot AK-47 - IOP Wiki
Note: This article is written from the perspective of fan culture analysis, narrative tropes in visual novels, and character study, as "AK47 Girl" typically refers to a character archetype or a specific heroine in dating simulators or gacha games (e.g., Girls' Frontline , Azur Lane , or similar tactical RPGs).