Summer, 2006. A 5th grader Ryuhei discovers a notebook entitled "Tokyo Exploring Records." It was a journal kept by his father, Shohei, when he was around Ryuhei's age. Ryuhei forms his own exploration party with his friends Shun and Yoshio. One summer day, the party and Ryuhei's younger brother Sasuke who happens to tag along, heads to the dungeon looking for a treasure indicated on the journal

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两个孩子成立了一个探险家俱乐部，在发现一个古老的秘密藏身之处后，踏上了一场意想不到的冒险之旅。

Two kids form a club for explorers and set out on an unexpected adventure after discovering an old, secret hideout.

A journalist becomes a vigilante in order to bring down a chain-snatching gang, unaware of the fact that his younger brother is a part of it.

一群年轻的朋友制造了一艘宇宙飞船，并且遇到了他们认为是外星生物的东西。

A group of young friends make a spaceship and encounter what they believe is an extra terrestrial.

The story of lovers who meet each other in different lives and in different times. Witness their hard efforts to keep their promises to love each other forever.