Tricky Prince(2002)

Tricky Prince

Eugene Ratcliff is a very poor and serious college student who always keeps the lead. On the evening of the Christmas party, friends force Eugene to dress as princess. The blonde prince Willis attends the same university as Eugene, upon meeting the cool princess says, "I would like to do everything for you." Eugene’s school life is about to suffer the attack of the rich Prince Willis!

(Source: Manga Club)