I'm not sure if the last bit's 'okan---!!" is a being used as a possible accented term for mother*, a statement of sudden chills, or both.

*I, like most foreigners, have only been taught Japanese in the 'standard' dialect (what they use in Tokyo) and have very little knowledge of accents and other dialects.

Yup Senka is adopted.

Catloaf said:
I'm not sure if the last bit's 'okan---!!" is a being used as a possible accented term for mother*, a statement of sudden chills, or both.

The former.

I wonder if there is more. :D