Sailor npc add in event map

When hunting pkmn in unison mountain while posting pkmn at trade, and a person PM to come either Murky/Necro/Verm etc, while your last visited pc was sweetsland. It can take roughly 2 mins to reach Murky, unless u use repel. From Necropolis you have a very quick fast travel to Murky or region dock cities. Maybe an idea to add the same sailor in Sweetsland too? To have a multiple choice from Murky to port either Necropolis or Sweetsland map? 

Christmas map have lot of pokecenters, the sailor in that map can port us to many sailors throughout entire map. Like 4 or 5, same with valentines's day. But halloween only Murky - Necro. Figured it could atleast get 1 bonus sailor aswel to make the travels a slight bit faster for us. If its a simple matter, could even consider another npc in Serene Village but thats not really important as unison pc is shorter cut. 

Thanks.