Create a policy and pool for this particular backup... In the policy > file list, choose the file you want to backup eject the tape daily vai GUI or write a script to do it.
Things to consider are how many slots are there in yout TLU. If there are ample slots you can write a schedule to freeze and unfreeze the tapes a per your requirement.
If you don't want to eject manually, you can use the bpend_notify scripts to call a script that initiates an eject. You can use the vmchange command to eject.