rimuru tempest, rimuru tempest (slime), tensei shitara slime datta ken, commission, highres, mihuashi commission, 1other, androgynous, black coat, blue hair, closed mouth, coat, dongtian biyu tong, dual persona, hair between eyes, hand up, long hair, long sleeves, looking at viewer, mask, mask on head, orange eyes, other focus, simple background, slime (creature), smile, solo, too many watermarks, upper body, watermark, white background