The Tax Reaper summary:
The protagonist “Shin Jaehyun” lost his job and was called a traitor after accusing the company of corruption. Although he doesn’t give in and aims to become a tax official, he is wavering due to his difficult family situation. A “benefactor” reaches out to him and later gives him the sword to become The Bastard of National Tax Service. “I’ll catch those tax evaders, whoever and wherever they are.”