Sailor Moon Expanded was built on exactly that concept: a bunch of new characters having adventures parallel to those of the Senshi, occasionally interacting but never derailing canon in the slightest.
--Sam
"I bear no malice toward those coerced into evil. But for you wise yet wicked ones who feed upon Life's sacred fire -- THERE CAN BE NO FORGIVENESS!" (Mike Maxwell blending Yohko Mano and Gordon Lightfoot, from an unfinished SME tale)
--Sam
"I bear no malice toward those coerced into evil. But for you wise yet wicked ones who feed upon Life's sacred fire -- THERE CAN BE NO FORGIVENESS!" (Mike Maxwell blending Yohko Mano and Gordon Lightfoot, from an unfinished SME tale)