Both of the adaptations will be out in 2023!

Grumpy insomniac Ganta Nakami stumbles across the moderately rebellious yet easygoing Isaki Magari in the Astronomy Club's abandoned observatory. Magari is jolted awake and tries to escape from the scene, only to have a broken door prevent that, forcing the two inside. The two forge an unlikely friendship, leading them to use the observatory as a safe space for them to interact.

Since May 2019, it has been serialized in Shogakukan's seinen manga magazine Weekly Big Comic Spirits. Liden Films' anime television series adaptation is set to premiere in April 2023. A live-action film adaptation will also be released in June 2023.