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.、She has 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.