NAGAI Junpei, a high school freshman, wakes up one day to find all of humanity in a deep sleep. In a free world, overflowing with desires, his strange survival days begin.

Romance Drama Sci-Fi Comedy Supernatural Harem Seinen Ecchi21St CenturyOlder Female Younger MaleSci FiHarem SubtextFemale HaremNudityJapanJealousyBisexual CharactersAdultBorderline HPerverts

Sleeping Planet

Details

StatusOngoing

FormatManga

Content rating18+Rated 18+

Chapters9

LanguageJapanese → English

Source

On Kagane sinceJun 26, 2026

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