sekai saikyou no kouei meikyuukoku no shinjin tansakusha

a brief description of the manga sekai saikyou no kouei: meikyuukoku no shinjin tansakusha horses die from work, but nothing to our hero! his thirst for activity, called workaholism, does not quench even when, having fallen with madame boss in a car accident, he finds himself in a completely different world beckoning with amazing adventures. here he goes to search for them, leaving his boss, who did not want to move. what awaits him on the way, and what will be the meeting of the leader and subordinate, if at all?