Professor Iceberg and the Wolf-type Officer

'''Dual Female Leads + Both Pure + First Love for Both + Mutual Secret Crushes + Sweet Romance Outwardly gentle but inwardly cool younger fox vs. outwardly icy but inwardly tender older teasing sister When they first met, Lin Zhou helped Xia Ci out of a predicament. The next day, Xia Ci left without saying goodbye. Lin Zhou thought they would miss each other forever, but they met again a few days later. Lin Zhou: Sister, can I have your WeChat? Xia Ci: Do you call everyone 'sister' and ask for their contact information? Lin Zhou: Only yours. You’re the first and the only one. Xia Ci looked at the note "Heartbreaker" next to Lin Zhou’s WeChat ID and asked uncertainly, "This profile pic...