Can the Way of Sincerity Also Work in Another World?

I have many regrets in my life Failed to reach the peak of his swordsmanship Kong had swordsmanship but died on the hospital bed Failed to help relatives realize their dream of becoming a daimyo He died on the battlefield without being able to wear the team uniform and raise the banner with the word sincerity. But what makes me most regretful is that I failed to implement my sincerity! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.