Mad science runs in her family, but Hikaru has always been an ordinary girl. It’s a dream come true when she discovers that she’s really a super powered alien! With her hyper-speed battle mecha, the Grandoll Armor, she is humanity’s last hope against a hideous alien invasion.

Momosuke is a young man with a dream: to travel Japan and collect one hundred stories. He journeys from place to place, searching for tales of the paranormal and bizarre, hoping to collect tales to publish in his book. However, the calm of Momosuke's life soon is shattered by a chance meeting with three sinister beings: Mataichi the priest, Nagamimi the bird-caller, and the beautiful Ogin. Soon, Momosuke learns that there might be more to his newfound comrades than first meets the eye...

Secretly operating his cruiser as a casino at sea isn’t enough for mafia don Lukino Marcano. He’s also looking for the gold-laden boat wreckage worth the budget of a small country! Lupin sniffs out the plan to recover this long-lost treasure and brings along his partners Jigen, Goemon, and Fujiko for the ride to crash Lukino’s party.

Master thief Lupin the Third and his friends have to compete with a greedy banker and her minions to help solve a mystery leading to a treasure that is said to hold history's most powerful rulers.