Kiyotaka Ayanokouji enrolls at the prestigious Tokyo Koudo Ikusei Academy, but is assigned to Class 1-D, where students with behavioral problems are housed. The school awards points equivalent to 100,000 yen per month and allows unusual freedom in classes, masking a more complex system.
Even during summer vacation, lone wolf Horikita would rather remain locked in her room studying than interacting with others. One day, Ayanokoji invites her to visit the pool with some of the others.
