Saikin Kono Sekai wa Watashi Dake no Mono ni Narimashita...... - Vol. 4 Ch. 66 - Mutsuki The Spy?

[MangaDex]

 

[GodricKharg]

This shit keeps getting more and more confusing...
I thought I had an inkling of a clue but now...

 

[svacina]

She's dying off overdose or something and this is her brain trying to deal with her having fucked her brother.

Or something.

 

[DjAlexDubCheck]

Frankly I'm really glad Porkey* seems to be alive and well, it was sad when he disappeared.

*I'm not glad to call him like that but I couldn't find his real name in early chapters despite repeated readings.
If someone finds it, drop me a line.