When manga shows as dropped in the directory and the scanlation group is no longer active ( say horobi no michi and tranquil spring) what is the protocol, ethics or whatever, (excuse me for being clueless) before another group picks up that manga? I noticed that Tsuki no Tsubasa was picked up by another group after horobi no michi stopped posting. I enjoyed reading a few of the dropped titles by both groups

When it comes to a dropped series by a totally inactive group, there's nothing stopping anyone from picking it up and working on it.

What? You (& your group) are deciding whether to pick up some of the dropped comics?