This unnamed cram school in Kagurazaka, Tokyo in 5 Centimeters per Second novel. It is the workplace of Takaki Tōno during his third year of university.
In 5 Centimeters per Second novel[]
Takaki worked at this small cram school when he was a college student. It had a maths teacher and an English lecturer teacher, with five assistants in total, one of them was Takaki.
At this place, he met his second girlfriend who was a fellow assistant.