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[ESTIMATED/RELEASE ARRIVAL: AUGUST 25, 2026]

Story and Art by Takuji Umihara

Rated: Teen

Saburo is a normal kid—or at least he tries to be, but the bizarre finds its way to him with alarming precision. First, a weirdo with a samurai haircut clad in just undies is hanging around his town, then his father builds an honest-to-god time machine that looks like a giant metal smoking pipe. A quick test of the pipe time machine flings the poor boy into the outer realms of space where robots, space captains and a girl who looks very similar to a friend at home await him. Keep all limbs in the pipe and prepare for a funny, fast-paced, and very bizarre adventure in the Pipe Machine!

An ongoing 6-volume series in Japan, first released in 1991!