Akuyaku Reijou desuga Shibou Flag Kaihi no Tame ni Seijo ni Natte Kenryoku wo Koushi Shiyou to Omoimasu - Vol. 1 Ch. 3.1

[MangaDex]

 

[Quarnozian]

"Naughty bits" is usually a child friendly way to describe the sexual areas of the body. It's rather disturbing for a father to say his 6yr old daughter's "naughty bits" are adorable... so the way the companions react is actually very appropriate.