[DeepL Translation - needs review] The Hotel Williams Child Bird, also known as the "Birdcage Manor," is home to a variety of unusual people. There is a paranoid beautiful woman, a gothic lolita elementary school student, a stuffed cat, creepy old twins, and many more. One of the residents, Kizuna Eto, met a reclusive art student, Yusei Asai, who lived on the fifth floor, in the winter when he was 16 years old. She was invited to work as a nude model for his paintings.
(Translator: DeepL)
It's a very character-drama heavy story set in an apartment building full of people with issues. There are a handful of fantasy/weird elements, but I would not call it a "fantasy" or "supernatural" story. In general, I found it a quite uncomfortable, somewhat unpleasant read - but in a good way. It's broken up into four distinct stories, and I had a bit of trouble getting back into it after each one ended, but probably not a problem for most people.
The characters are all pretty flawed, not nec