Riso Adachi

is the mother of Chizu Adachi, aunt of Asumu Adachi, and sister in-law of Ikuko Adachi.
==Personality and background==
Riso would marry her husband of the Adachi family and lived with him on Yaku Island, and the two were able to conceive a daughter named Chizu Adachi. Her sister in-law was last there with her son Asumu on a visit for a Buddhist ceremony when Asumu was two years old, prior to the series start.
==History==
Riso and her husband invites Asumu and Ikuko to Yaku Island over the weekend, with a large gathering of relatives. During the gathering she unknowingly makes Asumu uncomfortable when she starts asking him about his school plans, prompting him to make a discreet exit afterwards. As the gathering continues, her daughter and nephew goes on a tour on the island.
During the evening they return but with Chizu unconscious and a man known as Hitoshi Hidaka, whom helped them get home. They put Chizu in her bed, and while they wait for her to wake up they invite Hibiki to dinner as thanks. During the meal they discover that Hibiki lives nearby Asumu and Ikuko in Tokyo. The man leaves during the night, and leaves a thank you note for the Adachis. Ikuko and Asumu leaves for Tokyo once the weekend is over.
==Famliy==
Chizu Adachi.png|Chizu Adachi-daughter
==Behind the scenes==
===Portrayal===
Riso Adachi was portrayed by 
==Appearances==
* Kamen Rider Hibiki
**Episode 1: The Echoing Oni
**Episode 2: The Howling Spider
Category:Hibiki Characters