Chan and Key share a brief romantic encounter, but Key hopes to develop a deeper relationship while Chan prefers to keep things casual.
Key wants to turn her fling with Chan into something more. She befriends Jay for dating advice, not knowing Jay is Chan's ex and first love.
Chan's heart is conflicted while those around her disapprove of Jay's return.
Jay grows more confident after Chan confesses her feelings. Key continues genuinely trying to win Jay's heart.