Jinmyaku Cheat de Hajimeru Hitomakase Eiyuu-tan

Net is a young man whose true skill lies in his large personal connections, which has allowed him to achieve great feats from behind the scenes. One day, however, his own king runs out of patience with him, and banishes him from the legendary heroes' party. Now he has to start again as an adventurer, though he plans to make full use of his connections with powerful knightly orders and other races.