The Old Town located beneath the ruins of Grak Kingdom has been rapidly turning into salt in the past few days. This salt-transmutation appears to be caused by a mysterious species of white dragonflies. The Princess of Grak Kingdom went missing a hundred years ago. The Grak Palace also inexplicably collapsed at around the same time. However, a girl who might be the Princess has been sighted in the Old Town recently. You (Detective) are requested to find the Princess and solve all the mysteries behind the salt-transmutation. As you approach the ruins, you are attacked by…