It's 2020, and Mizuho's seventeenth birthday is the pits. Her dad forgot, the senpai she likes isn't interested, and her social calendar is getting cleared out by a mysterious virus. But when her longtime childhood friend asks her out, Mizuho has to sort out what this change could mean. And her feelings may not be the only ones changing...! Source: Kodansha Note: The first episode received an early screening at a special event on 17 November 2024 at United Cinemas Aqua City Odaiba in Tokyo. The regular TV broadcast started on 10 January 2025.