Itsuki Shinonome investigates green caterpillars found in instant food. Tracing social media posts, she interviews a whistle blower, unwittingly embroiling herself in a corporate feud.

Itsuki Shinonome is transferred to the Internet Media Department and assigned to a story involving green caterpillars being found in instant food. She later finds a man who has posted about this issue on social media and talks to him. A fight between companies eventually draws her in.