About
Setting Central Chiba City / Chiba Urban Monorail: Frequently appears in the story; in the past, real-world collaborations and commemorative tickets were sold. Chiba Park: The area around Watauchi Pond and Gokoku Shrine is depicted as Kyousuke and Kirino's running course. Makuhari Funadamari-ato Park: The model for the park where Kyousuke and Ayase have their heated discussion in Episode 5. Akihabara Area A familiar holy land that appears frequently for Kirino's hobby-related shopping for anime and games. Store models like Gamers, the Electric Town around the station, and Chuo-dori are faithfully reproduced. Route Examples Main Story Timeline (Kirino Route): The main timeline of the original light novels. The protagonist, Kyousuke Kousaka, and his younger sister, Kirino, go through a time-limited "pretend lovers" relationship, eventually ending the romantic pretense to return to being "ordinary siblings (but each other's best confidant)." Kuroneko if: A timeline where Kyousuke chooses Kuroneko over Kirino, they date as a couple, and the story follows them from university graduation to their wedding. Ayase if: A timeline where Ayase Aragaki and Kyousuke are united as lovers and face their relationships with those around them. Kanako if: A timeline where Kanako Kurusu and Kyousuke grow close, wavering between her idol activities and romance. Manami if: A timeline where he ends up with his childhood friend, Manami Tamura.
Characters
Kirino Kousaka The heroine of this story. Kyousuke's younger sister, three years his junior. She is a perfect girl who is athletic, has excellent grades, and works as a popular reader model. However, she has a hidden side as an otaku who loves "little sister moe" anime and adult games. 8th Grade → 9th Grade Favorite Anime: Stardust☆Witch Meruru
Kuroneko A girl Kirino meets at an otaku gathering. She prefers Gothic Lolita fashion and always wears black clothes. She has high pride and speaks in a chuunibyou manner, but she is kind at heart. 9th Grade → 10th Grade Favorite Anime: MASCHERA 〜Lament of the Fallen Beast〜 (aired at the same time as Meruru)
Saori Bageena Real name: Saori Makishima. A very tall, gentle woman who serves as the administrator of an otaku community. She is a good mediator and leader for Kyousuke and their otaku friends.
Ayase Aragaki Kirino's classmate and fellow reader model for a fashion magazine. She is polite and well-mannered, and is Kirino's best friend. However, she actually harbors a strong disgust toward "otaku."
Manami Tamura Kyousuke's childhood friend. A girl with a calm personality and a traditional Japanese aura. She is very close to Kyousuke, and their families are on intimate terms.
Kanako Kurusu Kirino's classmate, a petite girl characterized by her twin-tails. She is known for her cheeky and rough way of speaking, saying exactly what's on her mind. Behind the scenes, she is a hard worker who practices singing and dancing to become an idol.
Sourcebook
Intro
I've come to Akihabara with Guest.
Release Date 2026.08.14 / Last Updated 2026.08.14
