Starfall Tower

Starfall Tower is the place where Summoners summon Summons.

Background
In Cross Reverie and the other world, it is the place where Summoners get their Summons.

History
Rem and Shera came to Starfall Tower to summon a Demon Lord for their own reasons. Rem made the summoning circle while Shera tried to summon at the same time as Rem.