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"OOOH! Over here! Over here! Pick me! Pick me!" He blinked, looking around confusedly. "Down here, brother! Down here!" He looked downwards, his eyes catching movement. He stared at the source of the voice; a tiny, bright blue snake whose scales sparkled and shone in a way that reminded him of the blue water flower a little mergirl had given him a year before that had eventually wilted and died. "Oh, most wonderful human, take me home! Please! Pleasepleasepleasepleaseplease!" His gaze turned amused as he watched her bounce around like a spring and very much unlike a snake, before he glanced about the shop, and, after assuring no one was close enough to hear, kneeled down to reply.

"I'm not here to buy anything, little one. I'm sorry."

"NO." He could almost swear it was glaring at him. "I have picked you, and so you must take me! I will bite you if you don't you stupid traitorous egg-eater!" She bared her fangs and rammed her head into the tank with a PLUNK. This served only to stun her and she swayed and fell back with a sound that came to him as a jumbled mess. He watched her incredulously, having never seen a snake that behaved such a manner.

"Alright, alright, I'll buy you. Just don't hurt yourself." She sprang back up at his agreement and began twirling around and letting out noises that he could only call excited squeals. "But you have to promise to stay hidden in my robes and be quiet unless I tell you you can come out. Do you understand?"

http://www.fanfiction.net/s/9406877/10/