"Ano Toki Tasukete Itadaita Monster Musume desu." Isekai Ossan Kyoushi Totsuzen no Moteki ni Konwaku suru - Vol. 3 Ch. 28

[Noskal_Borg]

Looks like they are straight up using mind magic to mess with the monster girls.

 

[Noskal_Borg]

my problem with this type of plot is that they always use hypnosis honestly

Commas save lives

 

[Freman]

Washio and his girls should just kill them all.

Nothing of value would be lost.