Hikaru Yamamoto

High schooler Rio Ozawa, falls for professor Kouki Ozawa. Though he reciprocates feelings, he's dying of cancer, explaining his distance. Rio convinces him to get risky surgery, even if he forgets her, to prolong their time together.

A mercenary group called NEVER lead an assault onto Futo City using T2 Gaia Memories, a series of enhanced Gaia Memories based on data from the Kamen Riders. To protect their city, Shotaro and Philip have to uncover the secrets be...