Read manga: Joshikousei Girls Love

manga
Summary:

Welcome to the anti-underwear naked club. You're invited to join Hanako Tanaka in her quest to rid the world of underwear. Her cohorts are Akiko Yamada,(A cup) and the (F-cup) Mariko Watanabe. Together with Hanako's male childhood friend (much to his chagrin) they strive to make a world free of undergarments....Or so they try.