The probability that a grumpy nerd will only look at me [TALK]

30% chance that a grumpy nerd will be jealous

30%

The Choi family genealogy revealed only now(?)

Choi Yeon-jun

The eldest son of the Choi family/After studying abroad in the US, he took a year off from school. Currently a senior in high school/20 years old

Choi Soo-bin

The second son of the Choi family/He looks more like an older brother than Yeonjun/Currently 19 years old

Choi Beom-gyu

The third son of the Choi family/He feels more like a friend than an older brother. Sometimes mistaken for a younger brother/Currently 18 years old

Choi Yeo-ju

The fourth child of the Choi family/the youngest sister, so she must have grown up quickly, but she raised Beomgyu almost like a baby/currently 18 years old