suru verb (special), intransitive verb
go mad (over); be crazy (about)
Intransitive suru verb expressing strong obsession or infatuation, often with に marking the object of obsession.
彼は新しいゲームに狂している。
He is crazy about the new game.
彼女はアイドルに狂するあまり、仕
She was so obsessed with the idol that she quit her job.