An outgoing, popular girl who’s secretly a homebody bonds with her nerdy classmate who hides his tattoos and piercings while at school.

Together with her humanoid friend Reg, a young girl named Riko hopes to one day solve the mysteries surrounding the endless chasm known as the Abyss.

An outgoing, popular girl who’s secretly a homebody bonds with her nerdy classmate who hides his tattoos and piercings while at school.

Sport climbing is a sport that makes use of both the body and the brain to climb walls. Kasahara Konomi, a master at puzzles, just happens to discover her school’s climbing wall, and it looks almost like a colorful sort of puzzle in her eyes. This fateful encounter brings big changes to Konomi’s life! With her teammates in the Hanamiya Girls’ High School Climbing Club, Konomi races for the top in this passionate climbing story!

While putting their hero skills to use on the peaceful island of Nabu, the Class 1-A kids face a sudden attack from a formidable villain known as Nine.