first of all he has a godzilla phone case like HOW CUTE IS THAT?? AND THE CONTEXT FOR THIS WAS THAT IN LET’S HQ!! THERE WERE MONSTERS AND MECHAS IN DATEKOU AND?? he wants to go he wants to join them so badly
ALSO !! HERE WHEN THEY WERE IN MIDDLE SCHOOL IWACHAN FOUND A FISH NAMED OIKAWA AND! LOOK HOW PROUD HE LOOKS ! even oikawa says “why’re you making such a triumphant face” !!
CONCLUSION : IWACHAN IS A HUGE DORK BADASS AND HES REALLY COOL 100 %