Talk:Osakabehime/@comment-35457148-20181202001821/@comment-32572338-20181210150136

It's based on a word play. Tama didn't let her appear as another kitsune/fox, so she had to take another form. She is also a "hikkikomori" ("shut-in") which sounds similar to "koumori" (bats) so she chose that as her symbols. Her being a fox is said in her Bond 4 texts.