In Between

kang si-hwa, a natural extrovert, a person who was always the centre of attention, and lee eun-seo, who was jealous of those around him because si-hwa was her special childhood friend. si-hwa, who suddenly disappeared one day came back several years later. eun-seo’s heart is constantly shaking and si-hwa’s actions are unpredictable. we have a special relationship, right? you think so too, right? but… i want to ask. just what is our relationship?