People clearly dont know this drama is about Keyakizaka46 story from beginning. 21 girls lock in a room ( Join the group ) have to do stuffs to get like so they can get put of the room ( What idols do everyday to get more fan ) In the end, they all get out ( Get recognize and love by everyone ) Only one girl play by Neru stay behind because she was half Kanji- Hinagara Keya. Continue to teach Hinagara new members to survive.