Pandora Hearts, Hitsugi no Chaika Recommendations
Although they express different goals, Hitsugi no Chaika and Pandora Hearts takes place in a similar setting with fantasy elements. Both series' main characters are searching for something and therefore on a journey of discovery. Throughout that journey, the main main and female protagonist bonds and learn more about their world and one another. There is mystery especially revolving around the origins of both series' main characters as well. If you're looking for a fantasy/adventure series, then give both of these a try as they may appeal your interests.