Shiganai Tensei Reijou wa Heion ni Kurashitai - Vol. 2 Ch. 11

[MangaDex]

 

[Umbrecola]

400+ year gap, she can't talk to him about Anime, or Idols, or Soccer, or Godzilla etc.

 

[LordTartaros]

Stockholm syndrom

 

[sanglyon]

Welp, that went too far in the wrong direction for me to care anymore.
Being suspicious is fine; but trying to strangle her? Nope. And her acting like it's totally normal is insane.