Koi no Zetsubou Koushinkyoku (Colored)

Koi no Zetsubou Koushinkyoku (Colored) summary:

A girls' love story about a flirtatious and a serious girl! "Hey, do you want to go out with me?" Rei has been in love with Ami, a girl in her class. She confesses her feelings to Ami, expecting to be rejected, but to her surprise, Ami feels the same way! They become lovers, but there is something a little strange about Ami. Rei thinks about Ami all the time and loves her wholeheartedly, whereas Ami has a more liberal view of love and does not choose just one lover. Will Rei's love for her win out, or will the unfaithful Ami get away with it? This is a girls' love story that depicts the anguish of becoming lovers!