4周目 — 点検・保全作業（設備チェック）
Visit Koumi-jima's nature reserves, home to a diverse range of wildlife, including sea turtles, dolphins, and tropical birds. Take a guided tour to spot these incredible creatures in their natural habitats, and learn about the island's conservation efforts. koumi-jima shuu 7 de umeru
Join an online "Koumi-jima" Discord group. Post your daily "umeru" progress. Use bots to track streaks. Post your daily "umeru" progress
Translated to English, "Koumi-jima shuu 7 de umeru" roughly means "Koumi Island Week 7 buried" or "Koumi Island seventh week buried". Critics have called it “depressing art-wank” (IGN Japan
Critics have called it “depressing art-wank” (IGN Japan gave it a 6/10, citing “lack of gameplay”). But those who stay on the pier until the boat arrives know the truth.
It is available on DVD and Blu-ray, often cited by collectors of niche adult animation like those on TikTok .