In the work "Yi Nian Guan Mountain", the role of Yu 13 is like a delicate painting, gradually showing the interweaving of his multiple identities and emotions. In the beginning, he was the living treasure of the team, bringing laughter to everyone, like a touch of sunshine illuminating people's hearts. However, with the ups and downs of the plot, Yu Thirteen's inner world gradually reveals its deep and complex side. 
In the team, Yu 13 is like a helmsman who leads the direction of the wind, always keenly aware of the subtle emotional changes among team members, and uses his wisdom and humor to reconcile the team atmosphere. His respect and love for Yuanlu is like an elder's concern for his juniors. He worries about Yuanlu's body and cherishes that deep friendship, and this emotion is not just a simple friendship, it stems from respect and trust in Yuanlu. 
When getting along with Qian Zhao, Yu 13 incarnated as a good brother. He always unreservedly supported Qian Zhao and solved problems for him. When Qian Zhao encountered difficulties, he always stepped forward as soon as possible, and that righteousness made people feel deeply warm. 
And in the face of Ren Ruyi, Yu Thirteen's emotions became complex and deep. He is full of awe and admiration for Ren Ruyi, always pays attention to her dynamics, and silently pays for her. In front of Ren Ruyi, Yu 13 showed maturity and wisdom beyond his age, and his intelligence was breathtaking. When facing Ning Yuanzhou, Yu 13 showed his gossip nature. He was curious about Ning Yuanzhou's experience, and always tirelessly inquired about him. This side of Yu Thirteen is lively and curious, which makes his image more vivid and three-dimensional. 
Yu Shisan's multiple identities and emotions are intertwined, making him a charming soul character in the work "Yi Nian Guan Mountain". The variety of faces he shows in front of different people, whether it is humorous and cute, or mature and steady, makes people feel his charm. His complexity, multifaceted nature gives the character unparalleled depth and charm that will captivate audiences. 
Yu 13 is not just a simple supporting role or comedic character, his presence injects rich color and depth into the whole story. Through his upbringing and experiences, the audience is able to gain deeper insight into the personality and emotional changes of the other characters in the story. Yu Thirteen became an integral part of the work, adding color to the whole story.