Chie, a 22-year old woman with a knack for adventuring, suddenly comes across a Mysterious Orb on one of her travels. Showing it to her childhood friend Izumi, the 2 discover this enigmatic Orb reacts to... tickling??? And it seems Chie isn't the only one who has one of these... they're everywhere!
After the Orb asks them to gather 10 Runes, the 2 ladies embark on a partially Voiced Acted, light-hearted and humorous adventure full of tickling and laughter! But... just what is this Orb in the first place...?