Hanabi 10大塚咲bt

"Hanabi" (花火) is a Japanese word that means "fireworks." It's possible that you're referring to a specific title or a character named "Hanabi" in a context that includes the numbers "10" and "大塚咲" (Ōtsuka Saki). However, without more context, it's difficult to provide a precise answer.

If "Hanabi" is the name of a character or a title, and "10" and "大塚咲" are related to that character or title, it could be a reference to a ranking, a chapter number, a character's age, or a specific attribute. Without additional information, it's challenging to determine the exact meaning.

If you're referring to a specific media franchise, such as an anime, manga, or video game, please provide more details so that I can give you a more accurate answer.