A prequel to the 2013 Kyoto Animation series Free! which is an adaptation of light novel High☆Speed!
Ikuya Kirishima (voice)
Haruka Nanase (voice)
Makoto Tachibana (voice)
Nagisa Hazuki (voice)
Natsuya Kirishima (voice)
Rin Matsuoka (voice)
Rei Ryuugazaki (voice)
Kisumi Shigino (voice)
Sousuke Yamazaki (voice)
Nao Serizawa (voice)