Genkai in a Black Company

Genkai in a Black Company (2009) is a drama directed by Yuichi Satoh rated 5.3/10.

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.