Tohru Suzushima is the childhood friend and fiancé of Kanako Kasugazaki. The engagement is decided by their parents. He is studying abroad in England. His family, the Suzushima Trading Company, has a business in selling fine china and mainly deals with the import and export of tableware. Right now, their share of the market is number one in the country. Thus, he was asked by Kyoya to bring some him some for the host club whenever a shipment came in. According to Kyoya Ootori, his grades are impressive, his family prestige is so-so, his looks are average, his strong point is his serious personality. His bad aspect is that he doesn't leave a strong impression and he's weak. He is also considered 'boring' by Kyoya.
- Tohru shares the same name as "Tohru Honda" from the Fruits Basket manga, which is ironic, because Kanako Kasugazaki is played by Laura Bailey, the voice actress who plays Tohru Honda.