A high school boy、Sitting on a chair in a room with the characteristics of Nobit

A high school boy、Sitting on a chair in a room with the characteristics of Nobita's room、Scenes of people sitting at their desks in ultra-high definition、Create it with ultra-realistic CG。The boy has slightly long black hair.、He wears round glasses、Japanese high school uniform（White shirt and navy blue trousers）I am wearing。He was holding tightly onto his stuffed Doraemon doll.、Looking straight ahead with a sad smile。In the background、Bookshelves and desks in Nobita's room、Place distinctive items such as posters、Please express an overall warm and sad atmosphere.