Seishun Archive is a one-episode music video for the song Hololive chose as its theme for summer 2023, a track credited to HoneyWorks. Nine singers perform it together: Gawr Gura, Kiara Takanashi, Airani Iofifteen and Moona Hoshinova join Kanata Amane, Suisei Hoshimachi and Aqua Minato, alongside Fubuki Shirakami and Sora Tokino. Fans of these performers will find a brief musical showcase here.