Tachikawa Sozosha — former Tamagawa Elementary School (たちかわ創造舎・旧多摩川小学校) たちかわ創造舎・旧多摩川小学校
It is the ‘Shimizu Elementary School’ of the drama's second season.
A disused old elementary school in Tachikawa, converted into a cultural centre and filming studio, now also ‘Tamagawa Mirai Park’. It stands on the embankment of the Tama River, along the cycle path.
Tokyo
Nishi-Tachikawa
Kotaro Lives Alone
It is the ‘Shimizu Elementary School’ of the drama's second season.
All the places from Kotaro Lives Alone
https://theanimetrip.com/luoghi/tachikawa-sozosha-ex-scuola-elementare-tamagawa