Koishikawa Rumi
now: Matsuura Rumi

Rumi
Miki's mom

episode 8.

 

Matsuura Chiyako
now: Koishikawa Chiyako
Yuu's mom

Matsuura Youji & Koishikawa Jin
Yuu & Miki's dads
episode 21.
Cheering that they got one over on Miki and Yuu
either episode 26 or 27

If you can identify the episode of a particular cel, please e-mail me. >^_^<
Domo Arigato Goziamasu!