Yumoto Hakone

Yumoto Hakone is a 1st year student at Binan High School. His family runs Kurotamayu (hot spring bathhouse). He also has as an older brother named Gora Hakone.

His given element is Light, and he transforms into "Sparkling Prince, Battle Lover Scarlet" (Kirameki Ouji, Battle Lover Scarlet).

(Source: Binan Koukou Chikyuu Bouei-bu Love! Wiki)