Read manga: Go Con - Gokujou Rakuen Tours

manga
Summary:

Best friends Fuji and Kunitomo are invited to a party of "The Finest Cuisine". At the party, which is held on a luxury touring bus, it is only them and 4 other men who are presidents of Fillz Company, a successful I.T. corporation. What sort of party games will there be? Will Kunitomo ever find his mystery man, Haru?