Risa Seri (瀬利 吏沙/Seri Risa) is the protagonist of Kono Naka ni Hitori, Imouto ga Iru!.
Appearance[]
Risa Seri has light brown hair and green eyes. In all of her appearance Risa wears a suit, ties her hair up and wears a pair of glasses.
Personality[]
Risa always seems to be calm, collected, and has a handle of the situation before her. At first she appeared to be deeply loyal to her employer Kanoko Mikoadono, Kanoko's son Shougo Mikadono, and the Mikadono Group. When her scheme was revealed, Risa showed her true self as a ruthless, ambitious and deceitful person.
History[]
Risa was first seen accompanying Kanoko when she talked with her son Shougo following the funeral of her husband Kumagorou Mikadono. Shougo received the instruction to attend Miryuin Academy, graduate high school and find himself a fiancee during the process.
While Shougo was studying at the Miryuin Academy, he contacted Risa several times for assistance in finding the truth behind his mysterious sister. Little did Shougo knew that Risa was working with the competitors of the Mikadono Group to deceive him, the future heir. It was Risa who arranged for the actress Yuzurina Houshou to fake the role of Shougo's sister, then lied to him about the familial DNA testing result between Shougo and Yuzurina.