

Yuu Karatsuki, once an elite detective, has hit hard times. Transferred to the countryside, he spends his days in hardship. Until, that is, he's asked to search for an escaped space jellyfish... (Source: MANGA Plus)
Sayonara Sea Moon was published digitally as an English simulpub as Goodbye, Sea Moon. through MANGA Plus.
Goodbye, Sea Moon. has 1 chapters.
Goodbye, Sea Moon. is currently finished.
Goodbye, Sea Moon. was written by Maimai Sueda.
Goodbye, Sea Moon. was published Jan 31, 2026.