A story of two strangers becoming the sweetest couple ever... . . . charecters . . . SI TU MO-MAIN CHARECTER FEMALE GU WEI YI-MAIN CHARECTER MALE WANG SHAN-SUPPORTING ROLE FEMALE[SI TU MO'S BESTFRIEND] FU PEI-SUPPORTING ROLE MALE[SI TU MO'S EX-CRUSH AND GU WEI YI'S DORMMATE] XIE YU YIN-SENIOR OF GU WEI YI AT PROF.JIANG'S LAB ZHOU LEI-PROJECT MEMBER AT PROF.JIANG'S LAB LIN ZHI CUN-AN ADVERTISEMENT ACTOR PROF.JIANG XU PING-GU WEI YI MOTHER GU XIU-GU WEI YI FATHER MENG LU-FRIEND OF SI TU MO AND GIRLFRIEND OF AH KE AH KE-FRIEND OF GU WEI YI AND MENG LU'S BOYFRIEND DIRECTOR FU-FU PEI'S FATHER TU JIE ER-SI TU MO'S FRIEND SITU WEN-SI TU MO'S FATHER