Jinmyaku Cheat de Hajimeru Hitomakase Eiyuu-tan

Ned is a young man who has been behind many of the world's greatest achievements, wielding a weapon known as "human networking". One day, however, he is judged by the selfish king to be a liability and expelled from the heroes' party. Ned decides to start from scratch as an adventurer. However, his life as an adventurer is naturally far from ordinary, as he is adored and connected with everyone, from the leader of the knights to the princess of the mermaid tribe...

"Can I get help from the Wisdom King and the Great Sage to find this person?"

Meanwhile, the king is coming to a realization: the heroes' party was full of capable, but incredibly problematic children, and that it was Ned that kept them reined in...