Texas no Taka, from the
single volume that's available on Manga Library Z.
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This noir detective story starts with the protagonist fucking a femme fatale who promptly betrays him and gets him ambushed. He confronts her, turns the syringe she was trying to hit him with on herself, gouges one of her eyes, tortures her with a boiling shower during interrogation and finally eletrocutes her to death as she desperately confesses the whereabouts of his enemies.
I first saw those pages in Chinese on the now defunct Deadskirts forums several years ago but it had no source. The admin of the
Japanese Villainess wiki had tried to inform me about it in 2022 but I missed his tweet until today!