Yuito Kamata

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.

Mari and Humi learn from their mother that their father has dementia on his 70th birthday. They help prepare their mother for his farewell and prepare themselves for the emotions to follow.