Post a character who u find to be all-serious and no-nonsense as well as even having no sense of humor または a dry sense of humor. 全体, 全体的です having an all-serious and no-nonsense demeanor and personality

Jo is almost always all-serious and no-nonsense as well as having (from what I can see) a dry sense of humor. 全体, 全体的です she has an all-serious and no-nonsense type of demeanor and personality in Burst Angel