is a Japanese manga artist and writer known for his series ' and Oshi no Ko.
Akasaka contributed to the background assets of the visual novel video game Wonderful Everyday, released in Japan in 2010. His series ' was serialized in Shueisha's Miracle Jump between May 2015 and January 2016, and was then transferred to Weekly Young Jump starting from March 2016. It was the 9th best selling manga in Japan in 2019, with over 4 million copies sold. In 2020, he won the 65th Shogakukan Manga Award in the general category with the manga. Starting from April 2020, his work Oshi no Ko, which is illustrated by Mengo Yokoyari, is serialized in Weekly Young Jump and is his second active series on the magazine at the same time. In August 2021, Oshi no Ko won the Next Manga Award in the print category.
Following the end of Kaguya-sama, Akasaka announced on November 3, 2022, that he would retire from drawing manga to instead focus on writing.
In April 2023, Akasaka launched a new manga, Renai Daikà Â, which is illustrated by Nishizawa 5mm.
|- ! 2015 | rowspan="2" | Next Manga Award | Manga I Want to Sell in the Future | Ib: Instant Bullet | | |- ! 2017 | Print Manga | rowspan="3"| ' | | |- ! rowspan="2"| 2020 | Shogakukan Manga Award | General Manga | | |- | BookWalker Awards | Grand Prize | | |- ! rowspan="2"| 2021 | Manga Taishà  | | rowspan="6"| Oshi no Ko | | |- | Next Manga Award | Print Manga | | |- ! rowspan="4"| 2022 | Shogakukan Manga Award | General Manga | | |- | Tezuka Osamu Cultural Prize | Grand Prize | | |- | Manga Taishà  | | | |- | Kodansha Manga Award | General Manga | | |-