Naomi Osaka is the heroine in a new Japanese manga illustrated by her sister

Naomi Osaka will be the heroine of an upcoming new manga series.

The Japanese tennis player made the announcement on Twitter, revealing that the illustrator will be no less than her own sister, Mari!

Growing up reading manga/watching anime was something that bonded me and my sister immensely so this is really exciting for both of us ???? https://t.co/mmzJ5k17x8

— NaomiOsaka????? (@naomiosaka) November 28, 2020

"Growing up reading manga/watching anime was something that bonded me and my sister immensely so this is really exciting for both of us," she said.

The series is titled Unrivaled Naomi Tenka-ichi," and will be released on December 28.

Naomi bust into the limelight by beating Williams in the 2018 US Open final — a highly-controversial match in which Williams was given three code violations by the umpire.

She then won the next Grand Slam, 2019 Australian Open.

Just this May, she became the world's highest-earning female athlete. —JCB, GMA News