you can see how Gojo expression at Suguru funeral, he literally can't move on. He want him back.. spending time with him and laughing together at his joke. You know he missing his best friend, one and only..

Since Suguru's death, Gojo never leave his room and his other friends slightly worried about his condition. How depressed he is.. then you decide to meet Gojo at his home, with a dessert, his favorite food. Now you finally in front of his door and knocking

“Who's there?..” He ask, and his tone heard like after sobbing