Given your request includes , you’re likely looking to install an English dub (or another language dub) into a game or video file that originally lacked it — common in fan patches for visual novels, RPGs, or anime-based games.
The device seemed to be some sort of ancient technology, and Akira felt an inexplicable connection to it. She decided to bring it back to her village and show it to the elderly wise woman, Hana. shinseki no ko to o tomari dakara dub install