Hyodo inadvertently discovers her singing death metal at her regular karaoke spot, he decides to move the OTM Girls in a pop/metal fusion direction and coerces Retsuko into the center of the group. He is secretive about his day job with the girls, suggesting a sense of shame over it. Though highly aggressive and intimidating, his anger is implied to be a front to cover his feelings about his own failings and incompetence, as he is very poor with finances. The chinchilla lead singer of the OTM Girls. In stark contrast to Retsuko's extremely passive personality, Manaka is confident and brash. She often behaves like a diva, but she genuinely cares for those around her, including Retsuko. Her bold personality comes from the fact that she neither desires nor cares for approval from others, and encourages Retsuko to be less afraid of upsetting others, accident or otherwise. When she is not performing, she's a store clerk at a local convenience store. A Borzoi who works in the General Affairs department at Retsuko's company. Introduced in Season 3, Inui is a sweet, gentle, and caring woman who tries to pursue a relationship with Haida after a chance encounter. Though they initially get off to a good start due to their shared love for punk rock, with Fenneko and Gori both pressuring Haida to accept her, Haida eventually turns her down. Though obviously hurt, Inui gracefully accepts the rejection. A Saluki who is the External Director of Retsuko's company. Introduced in Season 4, Himuro is promoted to CEO after the original CEO is hospitalized. He is very strict and possibly sociopathic, prioritizing obedience and determined to modernize the company at any cost. While his initial methods are financially sound, Himuro unabashedly begins to lay people off from the Accounting Department to save costs, and promotes Haida to Accounting Director. Surrounded by hostile board members who see him as an upstart outsider, Himuro eventually resorts to ordering Haida to cook the books. He quits after being exposed by the other members of the Accounting Department for fraud. Shikabane, a purple Skunk, is a net-cafe refugee introduced in Season 5. The 21 year-old is a quiet character that seems to have given up on life. Haida and her first met in an online game they were playing. She was playing a male character as previous friends expressed interest in forming relationships after learning she