On January 20, WJSN’s Dayoung posted a photo on Instagram and went viral for her late-night snack. Her caption read, “I’m having a late-night snack today,” and showed her snack: just one dumpling and a fish-shaped bun. | @dayoungism/Instagram The small portions, far from the typical late-night snack size, offered a glimpse into her body-management…

