Kazuya and class rep Chisato find themselves trapped in the school library, and it's up to Kiriha's knowledge of spirits and the forms they take to get them out.
arise from objects or tools after 
many years, and are known as "tsugumomo".
ننشأ من أشياء أو أدوات بعد سنواتٍ طِوال
"ونُعرَف بـ"تسوغومومو
les objets qui se sont transformés
après de longues années, les tsugumomo.