In 2007, the inhabitants of Danger Planet II fight their battles using remote-controlled robots or "virtual puppets." Kirio Nimura is a high school student and the strongest puppeteer on the planet, until he falls for Sairi Takahara, who insists that nobody may make advances until they have beaten her puppet, Benkei.

Iketani missed an opportunity to see Mako-chan and hates himself for never calling to say he was sorry. By chance, he runs into her 6 months later, and the situation is awkward. Iketani does not have a chance to talk, but both want to talk, so they arrange a second meeting. Iketani goes to the meeting place early, but an old man was left behind from a tourist bus, and asks Iketani to catch the bus for him. Iketani, being a nice guy, can't say no.

A group of students from the Cosmo Academy are about to take their final exam: surviving for over fifty days in a derelict ship. But when they arrive, they discover that instead of ten students, there are eleven. One of them doesn't belong there...