Other titles :
S．P．Y～スイムパラダイスヘヨウコソ～, S.P.Y 漫画, S.P.Y., S.P.Y. (Swim Paradise e Youkoso!), SPY, Suimu Paradaisu e Youkoso!, Swim Paradise e Youkoso!, Welcome to Swim Paradise!
Author(s) :Ukyou Ayane
In search of her mother Nagi, a girl from a desolate country village, comes to a big city and enters Swimming Suieikyou High School. Shortly after joining the swimming club, Nagi finds out that the pool is actually completely overtaken by boys! But in this never-practicing so-called swimming club Nagi finds something...