Through the Book: the Heroine Peeked into My Diary, and Her Character Completely Collapsed

Su Che accidentally entered the world written in a novel and became a major villain in it. He will become the protagonist's experience baby in the future. Fortunately, I have awakened the diary system, and I can become stronger just by writing a diary. Breakthrough in cultivation, ultimate alchemy, human holy body... All kinds of rewards are available. Therefore, Su Che complained as much as he wanted, but who knew that the diary he wrote could also be peeked into by the heroine. So - Su Che, he likes me and is just acting? He doesn't love me at all, and secretly complains that I'm a nymphomaniac, saying that I'm out of my mind! After reading the diary, the heroine's mentality collapsed. It turned out that the clown was herself!