A-Do (Japanese: 亜童, Hepburn: Adō) is a Japanese manga series written and illustrated by Jaku Amano. It began serialization in Kodansha‘s Monthly Young Magazine in May 2019, and has been compiled into eleven volumes as of July 2025.

The series takes place in a futuristic Japan where, following immigration reforms 25 years prior, tensions are rising between the local population and immigrants. Riko Saeki encounters a boy named Eito after saving him from being hit by a truck. When the two are suddenly attacked while eating at a restaurant, Eito reveals that he can turn parts of his body into a plant-like form. Riko finds herself becoming involved in a government conspiracy, with Eito being one of its targets.

Riko Saeki (冴木 リコ, Saeki Riko)

A 19-year-old gyaru who travels around in a moped, having left home when she was 15. She is not on good terms with her family, as her mother had joined a cult and had total control over her life. She works part-time at a convenience store, but is habitually late and is thinking of getting a new job. She is a smoker.

Eito (エイト)

A young boy that Riko saved from a traffic accident. When they go to the police station, the police could not find any information about his background other than his name.

A-Do is written and illustrated by Jaku Amano. It began serialization in Kodansha‘s Monthly Young Magazine on May 21, 2019. The series has been compiled into eleven tankōbon volumes as of July 2025. The series is licensed in English by Kodansha USA.

A-Do
First tankōbon volume cover
亜童 (Adō)
Genre	Action Science fiction
Manga
Written by	Jaku Amano
Published by	Kodansha
English publisher	NA: Kodansha USA
Imprint	Young Magazine KC
Magazine	Monthly Young Magazine
Original run	May 21, 2019 – present
Volumes	11