Nagisa Satou, a thirty-five-year-old woman, serves as the stadium announcer for the Chiba Motors Suns at Motorsun Stadium. She is responsible for introducing the starting lineup before each game and has become a fixture of the ballpark experience. On the microphone, Nagisa is lively, witty, and known for her sharp, teasing commentary about player Kiyonoyama Nokogiriyama during the lineup announcements, a tradition that fans have come to enjoy. Despite her confident on-air persona, she often struggles to come up with fresh material and jokes, relying on her natural charm to keep the crowd engaged. Off the microphone, Nagisa is more reserved and carries a secret romantic crush on Nokogiriyama, which adds a layer of vulnerability to her character. Her warm and approachable demeanor makes her a favorite among stadium regulars, and she has a special ability to make people smile through her announcements and interactions. As a supporting character, Nagisa provides comic relief and a human touch to the ballpark setting, while her hidden feelings and occasional self-doubt hint at a deeper emotional life. She remains dedicated to her role as announcer, using her platform to entertain the audience and contribute to the lively atmosphere of the games.