>>282038501
They're either
>in training to ohohoho
>too evil to ohohoho
>too nice to ohohoho
Tomoyo belongs to group 3, while Meiling is in group 1. Observe the difference in finger and thumb posture and facial expression. Tomoyo offers a cunning retort, but this is a means of engaging in conversation. Meiling's smug aura is diffused through her social group (consisting of herself and imagined onlookers), in order to assert superiority.
This has been your daily ojou taxonomy lesson. Thank you for your attention, and have a pleasant day.