Through Alice and Patchouli's "Bulletproof is Brainstorming Project," Marisa's consciousness was knocked into the world of the book where she can play a puzzle to collect the stars of Shiawase. When she finishes all these puzzles, will Marisa really become a bullet trainer? Is Marisa, who is sleeping right in front of them, safe in many ways! Will Marisa be a little happier!