Natsumi, a high school girl in Tosa City, Kochi Prefecture, goes to an observatory with a night view with her childhood friend Kenta on the way home from her part-time job. Kenta, who is secretly in love with Natsumi, is fired up at the chance to confess his feelings to her, but then a wild boar appears! The two desperately try to escape, but they are cornered and finally fall off a cliff! The next moment, Natsumi lands in front of a building labeled "Paradise Theater"... The various memories of Natsumi and Kenta unfold there. What is the true meaning of Kenta's "boys are really idiots" behavior and actions that are common to all of them?