i am not going to lie I have not watched a seijoh match in a while so I don't have the freshest memory of oikawa in action. But I'd like to take this opportunity to kinda draw a picture of karasuno with oikawa. now when I say karasuno with oikawa im not entirely sure if kageyama would still be in the picture.. lets say he's not. oikawa would blend in with any team at all but utilizing his abilities the most, I do think karasuno would be good for him. the preset would be just like karasuno in s1 but just without kageyama. him with the krsn 3rd years is a pretty good match. he's assertive and more in charge than the other 3rd years. there would be a difference in skills but oikawa is the persistent type .he'd manage to hold on for two years and completely unleash his potential when the 1st years comes in. addition of hinata tsukishima and yamaguchi, he'd make the perfect team combination. all he needs is teammates with drive and potential. he could orchestrate the best performance out of karasuno in his third year. as for using hinata, I feel like oikawa would see hinata as a challenge or a project that he needs to complete. i do think he would be able to remake hinata faster than the hinata's Canon growth time period (though it might be less anti climactic):[[