Masako Araki

Masako Araki (荒木 雅子 Araki Masako) is the coach of Yōsen High. Some time before the current timeline, Araki was a successful youth basketball player. She even made it as far as a regular on the national Japanese female basketball team. She was acquainted with the male team, which consisted of Kagetora, Takeuchi, Nakatani, Harasawa and Shirogane. First Appearance Manga: Chapter 143 Anime: Episode 20 (2nd Season) (Source: Kuroko no Basuke Wikia)