The Laughing Salesman - Season 1 Episode 15 Cutting

Trainee hairdresser Demuno Fouta is too scared to hold a razor, so Moguro gives him a box of medicated cigarettes to increase his confidence. Demuno improves his shaving skills, but is distraught when the other hairdressers smoke them all during a mahjong night, not realizing that only the first cigarette was medicated. When called on to shave the boss, he makes a fatal slip.