Remake of 1996's the same name popular visual novel. Shikura Chiyomaru will lead the project along with Asada Mikoto from Elf. Nagi Ryou designed the character and Kanno Hiroyuki wrote the script.
The story focuses to the protagonist Arima Takuya who lost his father who was a historian but has conducted various researches. One day in summer, Takuya receives a package from his father whom he thought is already gone. The package contains documents that explain about parallel world along with a device to travel to alternate dimensions.
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