 If you liked
½ Prince
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 ...then you might like
Tsuyokute New Saga
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I think anyone who is a fan of 1/2 Prince would enjoy this manga.
Although not as light hearted as 1/2 Prince and no crossdressing from what I've seen so far.
These mangas are similar in the fact that there is a hero virtual reality or not that fights foes goes on adventures with a group of friends, fall in love and grow together.