FANDOM


Cheon Yoon-jae is Song-yi's younger brother, who first disapproves of her relationship with the neighbour but grows to likes Min-joon because of their shared interest in astronomy.

Ad blocker interference detected!


Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.