The intimacy between girlfriends and brothers will hide secret love tightly, and secret love between the opposite sex, no matter how hidden it is, it will eventually be discovered, whether it is explained or concealed, once it is put on the table, it is all a capital letter embarrassment. Third's crush is bitter, from the moment he became a friend, he liked Kai. But kai is a big radish with a very complicated relationship between men and women, and the pain of the third is doubled. He thought about giving up countless times, but every time he couldn't make up his mind. The outflow of distressed emotions made other friends around him (except Kai) discover the secret he wanted to hide most.