Thank you for your continued support.
Regarding the Steam version of "星天へ発つ日" (Hoshizora e Tatsu Hi), which was scheduled for release on Thursday, August 20, 2026, we are currently still waiting for a response from the Steam build review process. Because the exact release timeframe is uncertain, we are changing the Steam release date to [As soon as the review is completed].
Please note that the distribution of physical copies at Comic Market 108 (August 16) and the digital release on DLsite (August 20) will proceed as scheduled.
We sincerely apologize for the inconvenience and delay this causes to everyone looking forward to the Steam release. We appreciate your understanding and patience.
Astro Shaft
More from 星天へ発つ日
Other announcements
Ending theme song "Twi" is now available on various streaming servicesThank you for playing 星天へ発つ日 . We are pleased to announce that the game's ending theme song, "Twi feat. Hakono Nakami," is now available on various music streaming services. You can check the available streaming platforms via the link below: *Note: The song may not be available on some services just yet. We apologize for the inconvenience and kindly ask for your patience. We also post the lates…Update / Fix for an issue where the UI does not display in certain scenesThank you for playing 星天へ発つ日. We have released an update to fix an issue regarding the UI in certain scenes. ■ Update Details Fixed a bug during some scenarios in "Chapter 2" where the UI would disappear, preventing players from saving, loading, etc. We sincerely apologize for any inconvenience this may have caused our users. Thank you for your continued support of 星天へ発つ日.Update / Fix for Save Data Deletion IssueThank you for playing 星天へ発つ日. We have released an important update regarding a save data management issue. In previous versions, an issue occurred where save data was initialized when updating the game or when verifying the integrity of game files. We deeply apologize for the significant inconvenience and trouble this has caused our players. We are truly sorry. ■ Patch Details ・Fix for the Save…