Natsu Takasaki, also known as Natchan, is the main female protagonist. She is a member of Southern Tennis Club, and studies in the same year and high school as Maruo. She is aiming to become a professional player.

Based on the original manga by Hikaru Katsuki, Baby Steps centers on a honor student named Eiichiro Maruo who becomes frustrated with his life and decides to join the tennis club. Despite lacking experience and physical strength, he utilizes his studious nature to develop a strategic approach to playing tennis. Taking notes of his opponents’ habits and tendencies, he is able to predict their next move before they even react. He also meets Natsu Takasaki, a beautiful girl with a passion for tennis. With her help, he aims to become a professional tennis player.
 
(Source: Crunchyroll)

__Height:__ 158 cm  

[Website](https://www.kotobukiminako.com/) | [Blog](https://ameblo.jp/kotobukiminako-blog/) | [Youtube](https://www.youtube.com/channel/UC6jsWSIOVR4i6LAo9xKWptQ)

Member of seiyuu group [Sphere](https://anilist.co/staff/103636).

Eiichiro Maruo is a straight-A student who decides to take up tennis as a side hobby upon entering high school. At the tennis school he runs into Natsu—a bit airheaded, but nobody can beat her in passion for the sport. Soon Eiichiro gets addicted to tennis...and when he applies his academic skills to improving his game, the results will change his life forever!
 
(Source: K-Manga)

Season 2 of Baby Steps. Maruo Eiichirou has begun his training in America and quickly realizes that he has still a long way to go. Facing his comrades in the daily matches helps him to realize his own weaknesses and his time overseas proves to be extremely valuable for his development, both as a tennis player and as a person.

“ANIMATION × PARALYMPIC: Who Is Your Hero?” is a special series featuring fictional Paralympic athletes depicted in world-renowned Japanese animation. The project aims to introduce new Paralympic sports heroes through attractive characters and stories that will be created by the collaboration of famous comic creators and animation film directors. The series will increase the number of featured sports by 2020. 

An episode animated by Kyoto Animation was scheduled to be broadcast in August 2019, but was later announced to be cancelled after it was determined production could not be completed in time for the 2020 Paralympic Games due to a tragic arson attack on the studio.

Special collaboration between Seo Kouji (Fuuka), Hiroyuki (Aho Girl), Yoshikawa Miki (Yamada-kun to 7-nin no Majo) and Katsuki Hikaru (Baby Steps).