It's the last day of the Inter-High, and the lead riders are 4.5 kilometers away from the finish line. In order to defend their lead position won by Naruko's desperate resolve, Imaizumi challenges Midousuji. Despite being mentally broken by Midousuji numerous times, Imaizumi grew with his team's support, and he doesn't flinch from Midousuji's risky tactics as he rides like an ace! However, it suddenly begins raining on the last downhill before the finish line! The risky battle between Imaizumi and Midousuji in the rain begins!
Former ace assist of Hakone Academy 
and Yonan University first-year,
Ein Ex-Hakone-Fahrer, Ass-Assistent
El antiguo apoyo del as del Hakone
y alumno de primero de la Yonan:
El antiguo apoyo del as del Hakone
y alumno de primero de la Yonan:
L’ancien coureur de Hakone,
étudiant à l’université Tôyô.
L'ex aiuto-asso dell'Accademia Hakone,
attuale matricola dell'Università Yonan.
O antigo assistente do ás da Academia Hakone,
primeiranista da Universidade Yonan...
Бывший помощник фаворита Академии Хаконэ,
а сейчас первокурсник в Ёнане,