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gold-horn and silver-horn needed a special ingredient for their next magical elixir: a large amount of fluid from a pixiu's body. pixiu sweat could be used but it's not enough for their use case. after some hours of thinking and theory crafting a solution the brothers eventually had a epiphany. a ancient beast's semen is extremely rich in magic and is more then enough to what they need! even if the pixiu doesn't have a butthole or genitals, they could modify a sex changing elixir into one that grows those private bits for a pixiu. this way they could collect their precious and valuable fluids.

after creating such private part growing elixir in the shape of chinese almond biscuits, the brothers visited tianlu. their pixiu friend. and offered the elixir to them. but before the brothers could tell tianlu about the effects of their elixir. the hungry pixiu ate it in one bite. the brothers where slightly shocked but waited in silence with nervous excitement for the elixir's effect.

by first tianlu felt nothing, but after some seconds he started feeling something between his legs! ( a feeling he only felt years ago, when on someone else's body ) but this time it was heavier.. warmer.. he looked down between his legs to see sheath and balls on his crotch. these bits probably awakened something even deeper and harder then his sealed memories: for the first time in his entire ancient life he felt a sexual sting down his spine! it warmed up his entire body, he starts blushing heavily. his heart beat sped up. it felt weird, but really good!

the brothers started comforting tianlu though his confusion, instructing him to relax and lay down, and saying they can make him feel better if he allows them to touch him, by first tianlu felt uncertain, but he eventually complies with the promise of more pleasure. laying sideways.. legs up.

gold-horn quickly goes to get a pot for semen collection, and silver-horn starts to touch and massage tianlu's new bits. while trying to explain to him what they are doing. though tianlu could barely hear them over the pleasure and flood of new emotions!

the tip of tianlu's cock started sliding off his sheath.. now pulsating and leaking thick pre-cum. silver-horn feeling quite aroused, starts licking, kissing the rod while rubbing it with his paws, masturbating tianlu and helping him to get fully erect. the cock keeps growing and leaking, bathing silver-horn slightly, he keeps doing longgg licks. eventually hugging tianlu's cock while it grows to be as big as him.

tianlu huffs and moans as he just enjoys the moment, instinctually humping against the rodent's masturbation, his knot inflates, and his cock starts to shoot bigger bursts of pre-cum as he gets closer and closer to ejaculation.

eventually gold-horn arrives just in time- as tianlu starts cumming long bursts of very watery cum, it's sparkly and had a magical energy. the pixiu growls slightly as he ejaculates. gold-horn catches some cum into his pot, but quickly moves closer so silver-horn could redirect tianlu's cock into the pot...

after it filling really quickly after some more bursts- the brothers panic slightly- not wanting anything to go to waste, both brothers starts to drink tianlu's seed from the source. taking turns and filling their cheeks full, giving it some licks to help with the pixiu's prolonged ejaculation, this just makes tianlu feel even better and extends it for a little longer.

but, eventually it slows downs and stops. tianlu does his final huffs and moans as he calms down... thanking the brothers... and then immediately falling asleep.

the brothers breathe for a second, and quickly go back to their homes to secure their new supply for highly blessed and magical semen.

the next day they had their magical elixir project done.

tianlu's supply was used in many elixirs and rituals by the brothers, many didn't knew the origin of their secret ingredient. and the brother's chose to never tell anyone.

the end.