Aquarium

is a japanese 4-koma manga series written by HIRO. It began serialisation in the December 2009 issue of Manga Time Kirara Carat.

The series was released under 2 volumes from September 2010 to September 2011.

Synopsis
Yu, who passionately love tropical fish. In a new life of highschool, she met a boy who keeps meddling her, Yoshiaki, and his childhood friend, Saori, a girl that can't be honest to her feeling. Aquarium as a trigger, their feeling entangle and cross each other.

(Source: MU)