Gu Chen accidentally becomes roommates with Su Zhiyi, the school's universally recognized cold and aloof campus belle. What's even more absurd is that he can actually hear the campus belle's inner thoughts! On the surface, Su Zhiyi is as cold as frost and says very little, but deep down she is a love-struck girl who is crazy about Gu Chen! A single cold "hmm" might hide a hundred sweet confessions behind it. From accidental cohabitation to campus daily life, from secret jealousy to sweet probing, Gu Chen relies on his special ability to eavesdrop on inner thoughts to gradually uncover the unknown other side of the cold campus belle. A youth romance full of laughs and overflowing with sweetness unfolds like this!