Genkai in a Black Company

ブラック会社に勤めてるんだが、もう俺は限界かもしれない

Also known as Burakku gaisha ni tsutometerundaga, mou ore wa genkaikamo shirenai, 블랙 회사에 다니고 있지만, 이제 난 한계인지도 몰라

After the death of this mother, Masao Oneta (Teppei Koike) decides to leave the comfort of his room after years of self isolation and get a job. He lands a position at a small IT firm but doesn't yet realise this company is one of many 'black companies', known for overworking their employees.