nani mo shiteagerarenai
Nani mo Shiteagerarenai is the fourth single by 22/7, as well as the costume associated with it.
The costume consists of a red double-breasted and short-sleeved dress, a red belt, black ankle socks (or black pantyhose), and dark brown (almost black in appearance) loafers. An emblem of 22/7 is sewn onto the left chest of the dress.