When she’s online, VTuber Watase Kiwi is a charismatic superhero adored by all. She even receives cash tributes for her awesomeness. But in the real world, she appears to be a lonely girl in a dark room. When she signs off, she has no need to put on airs, and her flesh-fangy smirk turns into a resigned frown and sigh.
Kiwi’s childhood friend Mahiru presents her with a drawing of JELEE-chan, the avatar for her, Kano, and Mei’s new collaborative multimedia project. Kiwi is glad to help produce a music video for a new piece Mei has composed with Kano’s lyrics. At the same time, Mahiru has decided to embrace her creative side by volunteering to play the role of Ama-no-Uzume for her school fair play.
On the first day of the fair, Mahiru encounters some girls from Kiwi’s school. All this time, Mahiru has been convinced that in addition to being a famous VTuber, Kiwi is also the StuCo president of her school. But that was a lie. She stopped going to school after her charismatic, superhero-like personality, so popular when she was younger, turned her into a social pariah. When Mahiru tells Kiwi she met the girls from her school, Kiwi lashes out at her for letting her carry on her lie so long.
But Mahiru doesn’t care what Kiwi’s classmates think of her. She’s always looked up to Kiwi as someone who never backed down and always presented herself as an invincible superhero, even if it was all bluster. To her, Kiwi is her Amaterasu, and because she retreated into a cave the light has gone from her world.
Rather than call back to apologize, Mahiru has Kano and Mei in the audience record her performing her goofy dance as Ama-no-Uzume, the goddess who restored the light of the sun to the world by coaxing Amaterasu out of her dark cave. She’s dancing, horribly, for Kiwi’s sake.
This is not lost on Kiwi, and when Mahiru calls her later to ask if she saw her dance, Kiwi apologizes for lying about being StuCo president, and for yelling at her before. It’s all water under the bridge for Mahiru, who assures Kiwi that she is her invincible hero, and always will be: The Main Event.
Kano and Mei join the call and praise Kiwi for her skill in combining Kano’s lyrics, Mei’s music, and Mahiru’s drawings to whip up one hell of a music video. Kiwi then promotes JELEE’s video during her stream, and the video itself plays over the end credits.
The next day, Mahiru and Kiwi finally meet in person for the first time in over two years, and Mahiru is shocked to learn Kiwi’s hair is now pink. She’s not the same Kiwi she knew, and yet she is. And now she looks to be the newest member of JELEE.