Koichi Mugikari

Pilot: The Overturned Guilt Incident

The story begins with B.T. and Koichi walking together when an upperclassman suddenly appears. B.T. and the senior play a game (which they seem to have been playing for some time) in which B.T. tosses a coin in the air and catches it, and the senior tries to guess in which hand the coin is. However, the senior loses again and must give 100 yens to B.T.. As he angrily throws the coin at the ground, he demands a rematch but B.T. refuses. When the senior leaves, B.T.↗

B.T. Appears!!

The first chapter narrates Koichi's meeting with B.T. and his grandmother. At school, Koichi meets with the two and is asked the direction to the principal's office to which Koichi obliges. B.T. playfully plays a trick on Koichi, pretending to spit many marbles out of his mouth when in reality he only spit one and had the rest of them in his sleeves.↗↗

The Summer Camp Incident

Koichi presents a disturbing incident that happened the last summer. In a summer camp, the present children were bullied by two upperclassmen, Kuroyama and Akagawa. However, B.T. was the only one immune to their taunting and was even defiant so the bullies decided to beat him up. For trying to help B.T., Koichi too was beaten.↗

The Mister X Incident

Koichi and B.T. go fishing in the countryside, but their day is ruined when two strange men confront them. Those men are two thugs disguised as soldiers who kill animals for the kicks and take the kids prisoner. B.T. adopts a defiant attitude, amusing the leader who decides to make a bet. The soldier ties B.T.'s foot to the rear of a parked car nearby and asks B.T. to choose whether it will go left or right at the next intersection. If B.T.↗

The Dinosaur Fossil Theft Incident

One day, B.T. and Koichi infiltrate a museum at night. It is revealed that Koichi has paid a visit to B.T.'s home, meeting an unknown woman on the way. More importantly, B.T. learns about and plans to steal the skull of a spinosaurus whose skeleton is being exposed at the museum. B.T. and Koichi enter the museum during the day and break into a storage room. A guard named Saiko catches Koichi, but B.T. distract him, allowing the kids to hide in a crate.↗

The Eerie Freckled Boy Incident

One day, Koichi's family is about to go out. Incidentally, B.T. discovers Koichi's well-trained dog. Just as it exits the garage, the family's car bumps into something and the family sees that they've hurt a freckled boy, later revealed to be named Manabu. The boy is fine but Koichi's parents feel guilty and invite him inside their home, hoping to not let the police know about the incident.↗

Cool Shock Old B.T.

Several memories show that B.T. and Koichi have maintained a close friendship throughout their entire lives. These memories include: B.T. helping Koichi put on a tie as children, young B.T. and Koichi taking photos, young B.T. and Koichi looking at Switzerland watch models, teenage B.T. and Koichi playing rugby, an adult B.T. giving a speech at Koichi's wedding, Koichi letting B.T. carry his son, B.T., and Koichi together at the release of Koichi's Cool Shock B.T.↗

The Smoker Under Arms Incident

In the year 202X, Koichi is now a young man in his twenties or early thirties. He pays a visit to his old friend B.T. in Las Vegas, where he works at the Dinosaur Hotel as a stage magician. After witnessing one of B.T.'s performances, Koichi and B.T. share a moment in the latter's hotel room. Koichi wonders that B.T. must be living his dream to perform magic tricks onstage in Las Vegas, but B.T. expresses boredom and confesses he's also been hired for another job.↗

The Eerie Freckled Old Geezer Incident

At some point, Koichi gets married and has a son. When he is 35, he writes a novel based on the events of Cool Shock B.T. and asks Rohan Kishibe to draw the cover for him. When Koichi is around 59 years old, his son moves to the city.↗

The Say Hi to Old Virginia Incident

The year is 2060. B.T. and Koichi are now in their 90s but their friendship remains as strong as ever. Koichi appears as the narrator again as he and B.T. have flown together into space aboard B.T.'s private spaceship COOL SHOCK. Koichi points out that in the novel 2061: Odyssey Three, mankind had already been able to land on Halley's Comet, yet B.T. and Koichi have only just managed to escape Earth's gravitational field.↗

Profile details

Status: Alive↗