Botsuraku Yotei Nanode, Kajishokunin o Mezasu - Ch. 106

[MangaDex]

 

[Claith]

Been so long, I forgot their memories were erased. Now this is just depressing as he goes on with his train fetish.

 

[Gletscher]

Been so long, I forgot their memories were erased. Now this is just depressing as he goes on with his train fetish.

It's kind of immersive though, since it's very hard (for me at least) to remember every thing too. I have some vague idea about who might be those other guys, and I think they met him in the prision, but that's it.
Edit: Finished reading the chapter. It seems I was right.