“Please......Don’t leave me alone......Pina......” Two lines of tears streamed down Silica’s cheeks, as scattered grains of light burst from the big feather on the ground. That pale blue feather was the remains of her sole friend and partner for a long time, the familiar «Pina». Just a few minutes ago, Pina died protecting Silica. Given a mortal wound by the monster’s weapon, it gave out a cry in a sad voice before shattering like ice. Leaving only its long tail feather which had always waved happily whenever its name was called——