Seulgi & Irene age difference is 10 years old. Seulgi is older. Seulgi is a guy that Irene admire and had a crush since she's 7 years old. Seulgi is known as the popular son of Mrs. Kang Sora, who always vote as the most popular teacher on Teachers Day. Honestly, will their fate cross to each other & bloom to something more?     That's for you (readers) to find out!