Finished Summer Time Rendering. Have some questions about the ending though. : r/manga

Summertime Render (Summer Time Rendering)

Summer Time Rendering - サマータイムレンダ - Summertime Render - Summer Time

Question about the ending : r/SummerTimeRendering

Summer Time Rendering Takes Over Abandoned Island for Very Real Escape Game – OTAQUEST

Summer Time Rendering Game Will Appear on PS4 and Switch

The clues that matter (Sauce: Summertime Render) : r/manga

Summer Time Render - Episode 25 discussion - FINAL : r/anime

Can somebody explain the ending of Summertime Render to me? Why did Shinpei time travel one last time to a world where everything was okay, nobody was dead, and it seems like

Summertime Render – 14 - Lost in Anime

Summer Time Rendering - What We Know So Far