Grand Blue Season 4ぐらんぶる Season 4
Grand Blue Season 4: season renewal Season 4 の制作決定
In the press
In the press.A news outlet has reported it. Waiting on confirmation.
How likely it holds: Likely
- What
- Season 4 の制作決定
- First heard
- Sep 21, 2026
- In this state since
- Sep 21, 2026
- Evidence
- コミックナタリー · 1 independent source.
The story so far
起 · 承 · 転 · 結 — four beats, straight from the evidencepress
A news outlet reports it first.
SRC 1
Nobody else picks it up.
no record yet
No paper trail yet — no registry record, no pre-order listing.
?
Not confirmed yet. Reported, not proven.
The evidence trail
NEW SEASONJPB5REPORTED
Carried by at least one press-class source.
OBJECTSeason 4 の制作決定
FIRST SIGNAL2026-09-21
STATE SINCE2026-09-21
ASSERTED FOR—
SIGNALS1
GROUPS1
STATE LOGEVIDENCEDAYS IN ORDER · GAPS LABELLED · TIME →
Every signal, in order
- 2026-09-21 15:30Zpresssupports
コミックナタリーRead by the LLM · read with 82% certainty
TVアニメ「ぐらんぶる」Season 4の制作決定、恋のバトル予感させるビジュアル公開 井上堅二・吉岡公威原作によるTVアニメ「ぐらんぶる」Season 4の制作が決定。新たなビジュアルも公開された。
natalie.mu/comic/news/690537 ↗independence group g-sig-df702c728ddf109c · weight 0.82