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시맨틱 에러
主修计算机工程的秋尚宇律己甚严，在一堂通识课中认识了设计系的张宰英，是校园风云人物的张宰英可谓十项全能，却只对秋尚宇无能为力......。张宰英在完美主义的秋尚宇面前，就像程序中错误的语义，秋尚宇能否编好这些程序错误呢？
SangWoo studies in the library alone until JaeYoung joins him.
JaeYoung and SangWoo go out drinking and play Yaja Time.
JaeYoung flirts with SangWoo on the phone.
JaeYoung sends SangWoo on a treasure hunt.
