Alongside the Hori Household, this is the location for most of the story.
Students[]
- Hori Kyouko (formerly)
- Miyamura Izumi (formerly)
- Ishikawa Toru
- Yoshikawa Yuki (formerly)
- Sengoku Kakeru (formerly)
- Iura Shu
- Kouno Sakura
- Ayasaki Remi
- Yanagi Akane (formerly)
- Watabe Ichirou
- Taiki Mizouchi
Teachers[]
- Terajima Reiko — As Chemistry and homeroom teacher of class 3-1
- Yasuda Shin — As English teacher and supervisor of the Student Council
- Kazuya Nakamine — A Physics teacher