neltruin, firondraak, 1:1, grey background, hi res, simple background, ambiguous gender, black goo, black penis, blue goo, dragon, duo, feral, genitals, glowing, glowing eyes, glowing markings, glowing mouth, goo creature, goo transformation, growth, imaginarydragon, male, male/ambiguous, markings, melting, membrane (anatomy), membranous wings, night sky body, penetration, penis, penis growth, purple precum, red eyes, tail, takeover, transformation, urethral, urethral penetration, white goo, wings,

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Running modified Gelbooru 0.1.11

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