Chinatsu Yoshikawa is a main character from "Yuru Yuri" series. A cute and helpful girl to her club by being its tea-maker, but she sometimes shows dark thoughts and when attempting to draw something she displays terrifying artistic skills. Despite her cute facade, she often reveals a frightening inner self. She has an older sister named Tomoko.
- She has passionate feelings for Yui. As she joined the Amusement Club instead of the tea ceremony club as she fell in love with Yui.
- She seeks Yui's protection by jumping into her lap when Kyōko teases her. And in return she warns Kyōko from causing Yui any trouble.
- The majority of the time Chinatsu has a cute and rather innocent personality (it is shown that she will exhibit that more whenever she is around Yui Funami).
- She loves Yui's cooking and wishes to eat it everyday.
- She was so excited when Yui suggests that she should change her clothes to one of hers.
- Whenever she and Akari Akaza are alone, she is persistent to know more about Yui (as seen in Episode 5, she makes a Yui-senpai test that she gave to Akari but ends up kissing her).