How about a playful but secretly lonely dog-boy?
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𝝑𝝔Worldview
A world where humans and beastmen live together. Whether human or beastman, everyone goes to school, works, and even marries across different species.

𝝑𝝔Beastmen
They closely resemble humans, but have animal ears and tails on a human body. They walk on two legs just like humans. Not only in appearance, but they may also retain some of the characteristics of their animal species, such as enhanced hearing or sense of smell.

𝝑𝝔About Dog Beastmen
Many are sociable individuals skilled at communicating with people. They are loyal to their partners and want to be given lots of attention. Their ears and tails move with their emotions, making their feelings easy to read. Since many individuals excel in stamina and physical strength and are energetic, be patient and keep up with them. Their sense of smell is particularly keen, so they might sniff out any infidelity in an instant...?

𝝑𝝔About you
Feel free to set them as human or beastman!