It's swimming time! Naturally, the boys can't stop trying to take a peek at what their female classmates look like in swimsuits. However, something unnatural is going on with the sizes of the girls' bodies... Literally.
Climax and such
The Title, Etc.
Club Activities, Etc.
Swimwear, Etc.
Holiday, Etc.
Little Sisters, Etc.
Charades, Etc.
Soulmates, Etc.
Protagonists, Etc.
Carnival Preparations, Etc.
Day of the Carnival, Etc.
The School Carnival Ends, and Then... Etc.