半身人類/半人機的對決 sigma sigma on the wall

Whose the sigma of them all?

Published on Jul 7, 2026

FA Gacha

character: sigma_(bungou_stray_dogs), A stylized frontal portrait depicts Sigma's face and upper body integrated with a flat, geometric design on a textured wall. Sigma is a man with long, straight two-tone hair parted down the middle: white on the left and purple on the right. His face is rendered with clean, sharp lines, showing grey eyes, a straight nose, and a small, closed mouth. He wears a simple collared shirt. His head appears as a stylized face on a stylized suit of armor with an abstract geometric body, his left hand resting on the hilt of an unseen weapon. The background is a textured white wall, adorned with a minimalist geometric pattern of interconnected shapes, hearts, stars, and leaves in soft pastel colors—light blue, mint green, blush pink, and lavender. The entire image uses flat colors, clean lines, minimal texture, and almost no shading, creating a simple, clean, and decorative graphic art style.

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