In Pokemon explorers of time how do you return to temporal tower a second time?

Go to the beach after you gragaute from the guild,Lapris will be there,talk to him.He says "Would you like to go to the Hidden Land?".Say yes.Lapris will then say "Only the holy may go to the hidden land,so only You and (What ever your parners name is)May go,Is that ok?Ok,get past the Hidden Land then you will be at the entrance of Temporal Tower!