Hero's LOG, 6.4.30xx, 02:15

I don't really know what he does most of the day, he works from home and seems to have an easy time doing it. I like him, spending time with him. I like having sex with him. He's my friend but I think I don't know everything about him, but he's a nice guy- he learned basic sign language just for me.

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Hero is a sentient, canine, neoprene drone. He works as a caretaker and is well fitted for the job due to his calm and loving nature, inability to speak or make noises. Hand and feet soles covered in non slip bumps to ensure maximum stability during working and everyday tasks.
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An endo-skeleton made from glass fibre makes him relatively durable. Tubes throughout his body pump isolated, cool liquid which is blue in colour around his body using a fan powered liquid pump. Smaller tubes closer to the surface are covered in artificial nerves enabling him to feel touch, as well as them being coated with heat to electricity converters, leading the electricity into the power input in his heart pump. His blue blood is entirely isolated by the tubes it's flowing through so normally there is no need for heat regulation, however should the need arise there is an emergency cooling system located in his lower abdomen.
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Hero has no need for food but he will need to warm up every once in a while. He likes using hot water bottles as "snack" and enjoys being hugged and sharing sleeping spaces. Winter isn't the best time for him to be outside but he can make it a good while as long as he's properly charged. Summer is basically endless energy for him but due to his skin being neoprene he has to be cautions not to be in direct sunlight for too long, since UV can break down the structure of neoprene and make it brittle.
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His face has holes for rods and tubes managing his senses, he has excellent hearing, good eyesight, and an optional sense for taste and smell helping him prepare food and sniff out potential dangers amongst other things during his job. During caretaking shifts he will wear a watch like device on his wrist with programmed voice lines and a text to speech function (rarely used) to communicate or alert patients that are not capable of sign language, are disabled, or simply can not be communicated with in ways other than speech.
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The fluttering sound his heart pump makes reminds of a faint purring and is appreciated by patients with anxiety disorders. Main jobs for this drone include cooking meals for inpatients, being an emotional support animal for groups or single people (usually when working with a therapist), cleaning patients (his skin is entirely hydrophobic, Hero himself is easy to clean) and working with sick patients since he can not contract biological diseases.
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Sexual Details: No genitals. Butthole which is connected to a tube going all the way up to his mouth. Hero is fully versatile, tops with toys and enjoys bottoming using his hole and mouth. Using lube is advised since he can not self lubricate. He enjoys barebacking since he can not catch diseases and likes watersports because of the warmth. There is a concentration of nerve endings in his crotch amongst other places (ears for example) which enables him to experience something that can only be described as an orgasm.
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Hero is aromantic and pansexual.

Snofu's LOG, 1.6.30xx 21:20

One day she was just there, apparently she lives in the outskirts. I don't think she partakes in society much, she's more the hunter-gatherer type. Her language isn't the best and she only speaks the basic one, which is quite rare as nearly all people are fluent in common and alien alike.
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Sister has little filter, she can be quite rough. I don't mind but I don't think Hero likes her a lot.
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"Sister" isn't her real name, I'm fairly certain, but your guess is as good as mine.