Galko, Otako, and Ojou are at the water park.
Otako hands Galko a razor believing that her armpit hair is shaggy because she forgot to shave them.
Galko angrily says she never lets them get shaggy and shows them her smooth armpits.
You can check out the original comic here! http://info.nicovideo.jp/seiga/book_anime/#m1_gyaruko
Official Galko-chan Nico Nico Page and Episode List: http://ch.nicovideo.jp/channel/ch2617618
Episode 6 - "Is It True That Underwear Is Embarrassing?" : watch/1456384814
Episode 8 - "Is It True You Have Horrible Bed-head?" : watch/1457583615