Please Answer 1988: Start from Ssangmun-Dong!

When he woke up, he became Kim Jung-hwan in Reply 1988, which was extremely disappointing. At the same time, a god-level sign-in system was also activated. Cui Zejia signed in and gained god-level Go skills. Sign in with Cheng Shanyu's family and gain professional-level medical skills! Sign in as a Chengdeshanjia and gain advanced math skills! ..................... Cheng Deshan: Zhenghuan is my most favorite person in this world. I will never be separated from him! Cui Ze: Although I have the reputation of being a genius chess player, in front of Zhenghuan, these are not worth mentioning. Seong Bora: This guy Kim Jung-hwan is simply a monster, so terrifying! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.