Isshuukan Friends., One Week Friends, 一週間フレンズ。, Default, Japanese, English, German, French
One Week Friends
Isshuukan Friends.
The story revolves around Yuki, a boy who wants to become friends with his classmate and desk neighbor Kaori. However, she gently declines his friendship, saying, “But, my... Memories of my friends disappear in a week...” Even so, Yuki wants to become her friend, and so the two become friends over and over again as the weeks pass.
Last updated
Jun 3, 2026, 11:26 PM
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Courcast score breakdown
CourScore is the probability of an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
52.7
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 2 hours ago
Top reasons
- Cross-platform audience rating - Weighted audience rating 74.7
- Cross-platform popularity index - Aggregate reach of ~36,263 followers
- IP reach across services - Multi-platform footprint of ~51,063 users
Source runway looks tight, so near-term sequel odds are capped.
CourScore history
CourScore over time
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| google trends | interest daily | GLOBAL | 50 | Nov 18, 2025, 12:00 AM |
| google trends | interest weekly | GLOBAL | 17 | Nov 9, 2025, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 40 | Apr 27, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 74,560 | May 26, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | May 26, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 74,560 | May 26, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | May 26, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 0 | May 12, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 267 | May 27, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 28,244 | May 27, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 76.09 | May 27, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 1,991 | May 27, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 36 | Jun 1, 2026, 12:00 AM |
| mal | completed | GLOBAL | 191,218 | May 30, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 101,282 | May 30, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 75.2 | May 30, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 542 | May 12, 2026, 12:00 AM |
| mal | watching | GLOBAL | 17,879 | May 30, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 7.68 | Jun 1, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 7.35 | May 23, 2026, 12:00 AM |
| mangadex | volumes total | GLOBAL | 7 | May 23, 2026, 12:00 AM |
| mangadex | source status code | GLOBAL | 3 | May 23, 2026, 12:00 AM |
| mangadex | chapters total | GLOBAL | 38 | May 23, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 73,553 | Jun 3, 2026, 12:00 AM |
| anilist | average score | GLOBAL | 73 | Jun 3, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 1 | Jun 3, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 845 | Jun 3, 2026, 12:00 AM |