21 female high school students are locked in a classroom and their footage is shown all over the world in real time. The only way to escape is to receive many "likes" from the audience.
One morning, students find their homeroom teacher Tokuyama Daigoro’s body on the floor of the classroom. A strange school life begins as the students work hard to hide the presence of their teacher's corpse in their classroom. Other teachers from the Academy, their homeroom teacher's wife, his mistress, police, and reporters... One-by-one they visit the classroom and the students face the risk of being discovered. Is it possible to continue to hide it?! And who was it who killed him?!
Sato Shiori was enrolled in a prominent art school while doing her activities as Keyakizaka46, making her own design contributions to the group and solo jobs that put her art skills on display. An example of this would be when Shiori created a special costume for Keyakizaka46's collaboration with Xylitol Gum. Her years of experience doing ballet shines when she dances, particularly in Futari Saison, and she always captivates the audience. Shiori was supposed take a hiatus to study abroad early 2020, but the COVID-19 situation cancelled the plan and she resumed her group activities. She stood at a crossroads when it was decided that the group will be renamed, and thus she decided to graduate with Keyakizaka46 during the Last Live. After graduation, she opened Instagram and Twitter where she posts her works, and interacts with her fans, including many international fans!
