
Quick answer — Sachiko Chijimatsu voices Tomi Ichimonji in K-ON! Season 2, Tamako Nobi in Doraemon, Cassandra in Captain Harlock Space Pirate.
Sachiko Chijimatsu voices Tomi Ichimonji (K-ON! Season 2), Tamako Nobi (Doraemon), Cassandra (Captain Harlock Space Pirate).
Tomi Ichimonji is voiced in Japanese by Sachiko Chijimatsu.