My Sister Came, Oneechan OVA, Onee-chan ga Kita Episode 13, Oneechan ga Kita Special, Onee-chan ga Kita: Hajimete no… Kitaa!, お姉ちゃんが来た 初めての... キター!, My Big Sister Arrived, お姉ちゃんが来た, Default, Oneechan ga Kita: Hajimete no… Kitaa!, Synonym, My Sister Came Special, Japanese
Onee-chan ga Kita: Hajimete no… Kitaa!
お姉ちゃんが来た 初めての... キター!
Episode 13 included with the BD release. This episode shows Ichika's and Tomoya's first encounter.
Last updated
Jun 3, 2026, 11:04 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
38.9
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 92% • Signal freshness: High • Updated 4 hours ago
Top reasons
- Cross-platform audience rating - Weighted audience rating 62.0
- Cross-platform popularity index - Aggregate reach of ~1,959 followers
- IP reach across services - Multi-platform footprint of ~1,891 users
Source runway is unclear, so feasibility is treated as unknown.
CourScore history
CourScore over time
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| youtube | uploads 30d | GLOBAL | 25 | May 31, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | May 31, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 7,378 | May 31, 2026, 12:00 AM |
| mal | completed | GLOBAL | 23,797 | May 30, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 11,680,086 | May 31, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 7,378 | May 31, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 28 | Apr 8, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 10,735 | Apr 8, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 10,582 | Apr 8, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 62.21 | Apr 8, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 17 | Mar 30, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 3,737 | May 30, 2026, 12:00 AM |
| mal | watching | GLOBAL | 459 | May 30, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 2.38 | Jun 1, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 4,730 | May 31, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Jun 1, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 46 | Jun 1, 2026, 12:00 AM |
| anilist | average score | GLOBAL | 61 | Jun 1, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 8,351 | Jun 1, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 63.1 | May 30, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 6.13 | May 23, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 20 | Jun 1, 2026, 12:00 AM |