Not in Textbooks Series

The "Not in Textbooks Series" is a film collection comprising six installments, based on a comic by Kazuto Okada. The films were released between 2016 and 2019, with a total runtime of 476 minutes. The collection's individual film lengths range from 73 to 92 minutes. The series has a combined budget and revenue of zero. Titles within the collection include "Not in Textbooks" (2016), "Not in Textbooks 2" (2016), "Not in Textbooks 3" (2017), "Not in Textbooks 4" (2017), "Not in Textbooks 5" (2019), and "Not in Textbooks 6" (2019). The films have received varying ratings on IMDb, ranging from 3.6 to 5.7. The total runtime of the collection is 476 minutes across its six films.