Very similar to android, but I differentiate between the two, by making the robot tag to be specifically artificial intelligence / completely artificial robots. Android is more about people dressing up, wearing or getting converted into a robot.
Works by 自己会飞的手里剑
A few of my favourite works by 自己会飞的手里剑 on Pixiv. Titles and captions have been translated by me with the help of DeepL. Works by 自己会飞的手里剑 Machine Mermaids Pixiv Machine Spidergirl Pixiv Machine Centaur Pixiv Diving Suits Pixiv Pixiv Machine Mermaid with a Shark Pixiv Machine Mermaid #2 Pixiv Mecha Girl Pixiv Pixiv Machine Mermaid #3 Pixiv Machine Mermaid #4 Pixiv ...