
Serena Eucus (セレーナ・ユークス) is a supporting character in Reborn to Master the Blade: From Hero-King to Extraordinary Squire, voiced in Japanese by Ai Kayano. The series' music includes "「Creditless」Reborn to Master the Blade OP / Opening「UHD 60FPS」", "『4K-UHD』Reborn to Master the Blade - ED / Ending | Creditless".