Tzuyu, the youngest in her friend group and a freshman in university, studying Psychology. She just turned of legal age, 18, but her friends keep babying her, as well as her girlfriend, but more often than not she is the more mature one and at first glance doesn't look the youngest. But something soon happens that causes her to distance herself from them. What happened?

Jennie, the all-rounder of her group. She's a junior at university, 21, and is studying dance there. She loves to be the one to watch her friends having fun, like when they hit up the club, go out to eat, or going to karaoke, and is always there for them, as well as for her girlfriend. But something soon happens that causes her to distance herself from them. What happenee?

Two broken-hearted girls find their way to each other. Will they mend each others' hearts, or break them even further?