Sayonara no Iikata Nante Shiranai manga adaptation reported
A manga adaptation of Yutaka Kōno’s Sayonara no Iikata Nante Shiranai has been reported, but no accessible publisher or creator announcement currently confirms the details.

A new manga adaptation of Sayonara no Iikata Nante Shiranai has been reported, bringing another project from Sagrada Reset author Yutaka Kōno into the spotlight. There is one important catch: the adaptation details could not be independently verified against an accessible publisher or creator source at the time of writing.
What’s actually going on: Anime News Network reported that the novel series is receiving a manga adaptation. The report identifies Kōno as the original author, but the accessible material checked did not provide a confirmed artist, magazine, launch date or publisher announcement that we could independently inspect.
That leaves the story in the “reported, not fully confirmed” category. It may be a perfectly legitimate announcement whose primary material is difficult to access, but readers should not mistake a secondary report for a complete production confirmation. We will update this story if the publisher or creator releases more concrete details.
Our opinion
This is exactly the sort of announcement that deserves patience rather than instant hype. Kōno’s name makes the project worth watching, but without confirmed adaptation credits or a publication schedule, there is not enough here to pretend the picture is complete. Consider it a promising report, not a locked release plan.