Kyousuke Kousaka (played by Yuichi Nakamura) is a protagonist in Oreimo.
High school student who discovers his sister's secret otaku hobby. 高坂桐乃（配音） (played by Ayana Taketatsu) is a protagonist in Oreimo.
Kyousuke's younger sister, secret otaku and aspiring model. 田村麻奈实（配音） (played by Satomi Sato) appears in Oreimo.
Kyousuke's childhood friend and primary love interest. 新垣绫濑（配音） (played by Saori Hayami) appears in Oreimo.
Kirino's best friend and fellow otaku enthusiast. 槙岛沙织（配音） (played by Hitomi Nabatame) appears in Oreimo.
Kyousuke's childhood friend and love interest. 五更瑠璃（配音） (played by Kana Hanazawa) appears in Oreimo.
Young model and otaku friend of Kirino. Manami's Grandmother (played by Kaoru Katakai) appears in Oreimo.
Elderly relative of classmate Manami, featured in a brief family interaction. Daisuke Kousaka (played by Fumihiko Tachiki) appears in Oreimo.
Father of Kyosuke and Yoshino, works at a company, appears briefly in family scenes.
Oreimo (2010) interactive character relationship network and AI-powered story timeline. Explore the connections, alliances, and conflicts between characters across the narrative arc.
AI Narrative Summary
Overall story structure spanning sibling evolution, otaku integration, and romantic entanglements across two seasons.
Character Network — 17 Characters
Kyousuke Kousaka (Yuichi Nakamura) — protagonist High school student who discovers his sister's secret otaku hobby.
