When Noya come back from Italy
Manga spoilers in case no one has read the manga!!
Noya had traveled around the world after graduation and the others continued on their own paths in Japan.
So when Noya returned; he found Tanaka and Kiyoko married, Kageyama and Shoyo in college Volleyball, Daichi a cop, Suga a teacher, and Asahi a designer.
Now that Noya has come back for the old team party, he is a bit drunk-