Otoko Oidon(1971)

Taking place somewhere in the 1970s in Tokyo, Japan, Bunkyo-ku, Hongo. Nobotta Ooyama lives a poor life as a rounin after failing his initial college entrance exams. Living in an apartment complex after losing jobs and chances to get into college, Ooyama struggles everyday with life's inconveniences while also dealing with loneliness. He is constantly called a beast for his arrogant and messy behavior, but Nobotta has a sympathetic soul underneath it all and despite his looks and lifestyle has a good relationship with a number of women.

(Source: Kodansha, translated)