If no real scanlation group has picked this up then give up. If it gains real popularity it'll get translated by someone else. Either keep doing this or stop begging.
He's always shown him respect sprinkled with hatred. He stopped looking down on others the moment Ippo knocked him out. But that's only in boxing. He wants him to get serious about Kumi that's for sure.
The purpose is sales. The target demographic jerks off to women. While I'm sure Japan has more women that play video games they still suck at competitive games compared to dudes so it has to be a reincarnated dude. Also maybe the author just wants to be a chick.