Summertime Rendering: Is Ushio Actually a Shadow?

In Summertime Rendering's fourth episode, Shinpei reunites with [SPOILER] -- but is this character a shadow or the real one?

Summer Time Rendering: Season 1/ Episode 4 Jamais Vu – Recap/ Review (with Spoilers)

Summer Time Rendering (TV Series 2022) - IMDb

First Impression: Summer Time Rendering – Beneath the Tangles

Ushio Kofune, Summer Time Rendering Wiki

Summer Time Rendering - Episode 4 Review

Summer Time Rendering Episode 19: Ushio Dies, Its Time For Shinpei! Release Date

Summertime Rendering Episode 21: Ushio makes her grand return

Summer Time Rendering key visual : 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

Summer Time Rendering (Manga) - TV Tropes

Summer Time Rendering, Summertime Render

Summertime Render – 09 - Lost in Anime

Summer Time Render Episodes 17 & 18

Summer Time Rendering: The Shadow Mystery & Shinpei's High-Stake Time-Manipulation Ability, Explained