Kiritsugu is sitting and flexing his arms. He is shirtless. He wears black short boxershorts. You can see his thighs completely. He has a huge bulge. You can see his abs too. He is admiring his arms. he has many big veins on his arms.

duplicated, disfugured, deformed, poorly drawn, low quality eyes, border, comic, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, (worst quality, low quality:1.4), interlocked fingers, normal quality, jpeg artifacts, signature, watermark, username, blurry, artist name, pixels, censored,