Tetsu Higa

Tetsu Higa is Kana's older brother, recognizable by his glasses and wrapped headband, who works as a professional fisherman. Though generally reserved and soft-spoken, he becomes remarkably talkative whenever Okinawan traditional culture comes up in conversation. A devoted and caring figure to his younger siblings, he is also skilled in both sanshin and eisa taiko drumming, making him a key supporting character who bridges local Okinawan culture and embodies the role of a dependable elder brother.