Enter the following codes at the cheat menu.
Result - Code
Girls become white rectangles - klacidmadegraphix
Randpha character 0 stats - randphroxmyjox
Ranpha with 2000 HP - ranpharoxmyjox
20 of all items - igotabagofhair
Sexy Randpha - ieatsand
Sexy Milfeulle - locknload
Sexy Forte - eatrocksand
Sexy Mint - ihateporn
Sexy Vanilla - burntsugar
Pick characters names - namethebitch
$25,000 - thegreenback
All fighting techniques - slapmybitchup
Travel to EVA 4 - enableeva4
All status 100 and 1000 HP - ihavetehshit
Codes for all items in storage - misccheater
Love Hina Returne mode1 - hinagirlsreturn
View credits - fuckthecredits
Mint Clone - ihateyourmum
Keitaro Clone - pointlessjackall