'Sang-eun' is greeted by a pretty sunbae, 'Jian', who she meets in her first university class! When Jian leaves momentarily during their freshmen welcome meeting, Sang-eun follows... But while comforting the upset Jian, she ended up confessing?!
500cc is a completed manhwa by Hui (희), first published in 2020. It blends romance, comedy, girls' love and drama. You can read all 5 available chapters of 500cc online for free on MangaPulse; the newest is Chapter 5, added 2026-06-30. The series is finished, so you can read it from start to end in one go.