The genre of the drama varies between a time travel mystery and a campus romance, which is a refreshing mix for a change. Moments, when Oh HaRin returns to her 18-year-old self and spends time with her friends, getting to know them better with a newfound maturity while retaining the innocence of a teenager at the edge of youth, are truly some of the most beautiful scenes in the show. However, what is catching the eye of viewers the most is Oh HaRin and Ji SeoJun’s chemistry.Ji SeoJun is quickly emerging as the nation’s high-school sweetheart for his sweet and gentle nature, caring personality, his protective streak, and of course, his soft-spoken honey voice.— Maria🌻| JinRock👾 | Semi IA (@ssagajimaria) August 6, 2021— mae || ia era 💜 (@kingyerimies) July 20, 2021Needless to say, fans’ standards for romantic partners are skyrocketing with how good Ji SeoJun is to Oh HaRin.— Blue Birthday Enthusiast (@velvetagon) August 6, 2021His subtle attempts at making sure everyone knows that Oh HaRin is his girl just screams “ideal boyfriend”. After all, who doesn’t like a little bit of healthy possessiveness? Besides, having your best friend and boyfriend be the same person is a blessing, to say the least.Is Ji SeoJun your ideal type too? Or do you prefer HongSeok? Share your thoughts with Kpopmap in the comments section down below!  Red Velvet’s YeRi and PENTAGON’s HongSeok Test Their “Blue Birthday” Characters’ Compatibility KDRAMA STORIES|Jul 28, 2021 Here s Why Fans Think PENTAGON HongSeok s Ji SeoJun In  Blue Birthday  Is An Ideal Boyfriend  - 5Here s Why Fans Think PENTAGON HongSeok s Ji SeoJun In  Blue Birthday  Is An Ideal Boyfriend  - 25