The House Without Time - Vol. 1 Ch. 22

[MangaDex]

 

[Aschentess]

jesus christ

 

[ShadowzEFS]

This kind of reminds me of that one time trial in ‘Worthless Regression’

 

[OakerFace]

I guess he went in the black room since he was too happy when he was getting used to the new life with the little girl and daru