January 4, 2010 • 24m
On the first day of middle school, Nayu Hayama accidentally shows her black lace panties during the opening ceremony. Yako Jingūji...Read more
January 11, 2010 • 24m
When wondering about which club to join, Yako gets a bit agitated when her mother is brought up. Whilst changing, Nayu spots Yako ...Read more
January 18, 2010 • 24m
One of the male students, Hiroki Komachi, tries to have a word with Nayu, but ends up getting occupied at every chance he gets. Na...Read more
January 25, 2010 • 24m
Haruka feels down when the boys start teasing her for her big breasts, even ranking her #1 in a 'biggest breasts' chart. She and Y...Read more
February 1, 2010 • 24m
Nayu explains her situation to Keigo. Hiroki then comes over to Nayu's house to apologise and ask is there's anything he can do fo...Read more
February 8, 2010 • 24m
After Kiyono joins the society, the girls become aware of her habit of teasing what's under her skirt in front of boys. She flips ...Read more
February 15, 2010 • 24m
Hiroki's newfound knowledge of underwear is affecting both his concentration and his reputation. Nayu gets a mysterious 'love' let...Read more
February 22, 2010 • 24m
Mizuno has a rather dubious dream about Keigo. The next day the Underwear Society go on an overnight trip to a beach hotel where N...Read more
March 1, 2010 • 24m
Yako gets annoyed when her childhood friend, Kota, who insulted her flat chest when she tried changing in front of him. Haruka fee...Read more
March 8, 2010 • 24m
Kiyono reveals she is going to be a model for her mother's underwear collection, but has a problem with her current breast size. N...Read more
March 15, 2010 • 24m
As the Underwear Society make preparations for the drama club, they are asked to participate in the performance. After school, Nay...Read more
March 22, 2010 • 24m
Haruka feels betrayed by Nayu's announcement and stops being friends with her. That same night, Mizuno's apartment catches fire. T...Read more