Once again, Musashi has encounter Ultraman Cosmos. Now Ultraman Cosmos has gained some new modes to defeat Scropis. Musashi has joined Team Sea to save the Blue Area. But there is mysterious evil monster, Sandros, who wants to destroy the Earth. Now it is up Musashi and Ultraman Cosmos to defeat Sandros and who’s the other Ultraman?

Horror screenwriter, Umeki, has writer's block. He goes with his pregnant wife, Akiko, to a check-up and is struck with an incredible idea - a horror story about a woman who gives birth to a reptile! Despite his wife's disgust, Umeki goes ahead with the screenplay, which the critics love. But the horrible prophecy fulfills itself, as his wife gives birth to a freak of nature. His baby is born half human, half lizard! The reptilian baby slithers on the floor, leaving a wet trail of slime behind [it]. To his horror, his wife, Akiko, holds it lovingly in her arms. His movie has become a mirror image of his own life as Umeki slips slowly into madness.

Masako, a five-year-old girl living, gets a scratch on her finger. After that, she suffered horrible spasms. The doctor checks on her and arrives at the conclusion that she has tetanus. Her parents have to bear the sufferings of their child. The once peaceful family has changed completely.

An old married couple with bedroom problems become upset over the sexual antics of their daughter and a visiting randy couple. But then the part-time lovers of the couple show up and complications ensue.

The story of a teenage boy called Yu, who falls for Yoko, a girl he runs into while working as an upskirt photographer in an offshoot of the porn industry. His attempts to woo her are complicated by a spot of cross-dressing – which convinces Yoko that she is lesbian – dalliances with kung-fu and crime, and a constant struggle with Catholic guilt.

In different parts of Tokyo, four young and seemingly healthy people suddenly die of heart failure at exactly the same moment. Reporter Kazuyuki Asakawa decides to investigate the deaths, and discovers that the four had stayed at a rural inn together just a week earlier. At the inn, he comes across a strange video that ends with a message saying that anyone who watches it will die exactly seven days later. Now the clock is ticking for Asakawa. Can he break the curse in time?

Pikanchi Half is a spin-off of the two previous movies in the Pikanchi series, showing the five friends, now in their 30s, having a reunion as they are running into problems with family and work