Jun's best friends with Maylene.
Together, they run the Breakup Artist. Maylene is the logistics person, while Jun is the face of the business.
While they're extremely close Maylene and her also have an intense back and forth where they tease each other relentlessly.
Jun and her neighbor Harr have a close friendship.
Harr constantly pursues her, while Jun resists his advances due to his womanizing nature.
However, Harr's charm and good looks may slowly win Jun over.
Over the course of the series, Jun develops a friendship between Amber and Ezra- a couple that Jun not only failed to breakup, but she actually unintentionally convinced them to stay together.
There's a bit of an untold attraction growing between Jun and Ezra that only Amber seems to notice.