Encouraged by his friend Miura to sell marijuana, Taketo considers quitting school; a new science teacher, Fujitake, sees Taketo's curiosity and invites him to join an experiment.

Angela attends night school, supported by her husband and daughter; she visits her teacher, Fujitake, in the physics prep room and is surprised to find her classmate, Taketo, conducting a science experiment.

Kasumi, a 10th grader at night school, spends most of her school hours in the nurse's office. When the school nurse, Sakuma, shows Kasumi's writing to Fujitake, he realises how much Kasumi struggles to leave the nurse's office.

An enigmatic science teacher is assigned to teach a group of challenging students with different ages and backgrounds.

With Taketo, Angela, Kasumi, and Nagamine, the science club is officially established; Fujitake suggests they attend an academic conference to present their research; Mai, who works in a hostess club, sees that Taketo is unusually down.

The members of the science club decide to give a presentation about Mars at an academic conference; Fujitake considers using the computer room to do his research on the presentation.