A college student, Sendō Kazuki, happened to set foot in the doujinshi community. There, people are producing and selling doujinshi, which is the comic book drawn by fans rather than professional writers. At first he was reluctant, but as he met the girls earnest about producing doujinshi, he was gradually involved in creating it himself. This series is based on a Dreamcast/PC game, "Comic Party", and its setting is different from the TV series. The main characters, Kazuki, Taishi, and Mizuki are college students whereas they were high school students in the TV series. The story starts after Kazuki has become acquainted with other characters.

Sendo Kazuki, failed the entrance exam for the art college he was applying to, His childhood friend, Kuhonbutsu Taishi forced Kazuki to enter the doujin (private publishing) world.

In the year 2062, the world's two superpowers are fighting a long and brutal war. In a desperate attempt to win, pilot Kei Katsuragi is given the mission to detonate a super weapon called the Space/Time Oscillation Bomb. The bomb explodes but the results are completely unexpected: a multitude of dimensions, times, and realities are unleashed into the world. Can Kei reverse the effects and bring life back to normal?

When six international students descend on Shimizu for a homestay, an Italian boy takes an unusual liking to Maruko, who isn't too impressed by the situation. Can she put aside her annoyance in order to help him connect to the memory of one of his closest family members? Join the expansive cast of Chibi Maruko-chan as they embark on their first cinematic adventure in 23 years! (Source: MaruChanSubs)