So one possible literal meaning: "Because I stayed overnight with my relative's child" – but this doesn't connect naturally to "dub install."
"Dub install" – In tech/modding/Android circles, "dub" usually refers to the DUB package manager for the D programming language, or sometimes a typo for "double" or "dub" (as in dubbing voiceovers). But here, it's likely a reference to DUB (D's build toolchain) or possibly a misspelling of adb install (Android Debug Bridge) or dub as in "to add a duplicate."
No standard anime/manga title matches the exact phrase. However, "Shinseki" appears in some game dialogues, and "o tomari" is a common trope in anime (sleepover episodes). shinseki no ko to o tomari dakara dub install
Given the most plausible reading: You are trying to install something (probably a game, ROM hack, or fan translation patch) after having downloaded it at a relative's house where you stayed overnight.
But since no specific software is named, I’ll instead write a general guide for safely installing "dub" (DUB packages) or fan-translated visual novels/anime-related tools in a scenario where you are using a borrowed computer or limited internet. So one possible literal meaning: "Because I stayed
If your file is strictly Japanese (a "Singularity" file, as hinted by your phrasing) and you want to add the Dub, you must perform a process called Muxing. This combines the video file with an external English audio file.
Sometimes a dub installer fails because it expects a specific file path. For example, a patch might look for ./data/voice_jp/ but your game uses ./audio/japanese/. No standard anime/manga title matches the exact phrase
To fix:
Article by: Tech Support for Traveling Developers & Anime Fans
brew install dub