烏菜木市奇譚（うなぎしきたん）　『サイン』

"You were in a strange park to eliminate the memory ..."

It is a short adventure game of escape game format.
While solving the mystery by tapping the place to be worried about, let's advance the story.

Series fictional town a "C Prefecture Karasunaki (eel) city" on the stage
GooglePlay game first installment of the "crow defunct Shiki Tan (eel and frank)".