The Daishihon Pharmaceutical Company (大師本製薬会社 Daishihon Seiyaku-gaisha) is a drug manufacturing company which appears in Akiba's Trip: Undead and Undressed. The president of the company is Shion Kasugai, who sometimes appears as a beautiful women representative. She is also skilled an knowledgeable in the medical field. Kouma Sakaguchi, the company's executive director who has had his position nabbed and is also the main source of the funding for the organization. Depending on the route taken, the company can become an antagonistic group towards the main characters. 

Rin Tokikaze, an uprising idol, sponsors them by promoting or marketing the company through auditions and live song events for the charity of the company. 

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