Notes that help understanding

Duo, the loner finds himself entangled in a love corner. Heesung and Scrub daddy both fighting for Duo's love. Heesung and Scrub daddy compete for almost everything, Popularity, good looks, sports and even more. Duo always gets A's in maths, language and music, since they're so good they tutor for other kids. Two of them being Heesung and Scrub daddy.