Keiichi Hara

Koichi Uehara is a fourth grade student living in the suburb of Tokyo. One day, he picks up a large stone which turns out to be a fossil of a baby "Kappa" sleeping underground for the past 300 years, and names it "Coo". Koichi and Coo become good friends and starts living with his family. However, Coo could not adjust to the life style in Tokyo and starts to miss his family. On a hot summer day, Koichi and Coo decide to go on an adventurous road trip to find his peers. (myanimelist.net)

As the 21st century approaches, a new 20th-century museum has opened in town, for the adults to relive their childhood (imdb)

Upon reaching the train station to death, a dejected soul is informed that he is 'lucky' and will have another chance at life. He is placed in the body of a 14-year-old boy named Makoto Kobayashi, who has just committed suicide. Watched over by a neutral spirit named Purapura, the soul must figure out what his greatest sin and mistake in his former life was before his time limit in Makoto's body runs out. (Anime News Network)

The Nohara family gets involved in a dispute between two clans who are fighting to possess a sphere claimed to be able to bring back to life a powerful evil spirit. (imdb)

Set in 1814, Miss Hokusai focuses on O-Ei, the daughter of famed artist Tetsuzo, better known by his pen name Hokusai, as she tries to navigate the various aspects of her life. O-Ei spends the bulk of her time assisting her divorced father who cares about his art and not much else. (Jake Duke)

A secret agent working for a secret organization called SML steals the disk needed to run a weapon from a villain team named Pig Hooves. While she runs away, she crashes into a Japanese ship and meet Futaba Kindergarten kids.

Futaba Kindergarten teachers find a giant robot on their visit to a hot spring.

Shin-chan and his friends go on a cruise trip along with their families to meet Action Kamen. But a group of monkeys raid the ship and all the middle aged men and women who boarded the ship are taken to an island at night. (Wikipedia)

Shin-chan and his family travel back to the past and help Princess Ren defend the castle.

The story follows Akane, a girl with no self-confidence. On the day before her birthday, she meets a mysterious alchemist Hippocrates and their student Pipo, who both tell her they're on a mission to save the world. Together, they set out from the basement for "Wonderland," and Akane finds herself labelled Wonderland's savior. (imdb)

Seven teens discover their bedroom mirrors are portals, and they're pulled from their lonely lives to a wondrous castle filled with winding stairways and watchful portraits. A girl in a wolf mask invites them to play a game.

Crayon Shin-chan follows the daily shenanigans of Shin-chan with his group of friends, parading around as the self-proclaimed "Kasukabe Defense Force." The adults witnessing these shenanigans unfold can't help but adore Shin-chan, as he keeps them entertained while unintentionally solving their daily troubles through his mindless antics—leaving himself as the only problem they do not know what to do with.