「こわいもの係」シリーズ (Series) favorite_border

[DeepL Translation - needs review] At Asahi Elementary School, there is a rule that the fourth child in the first class of the fourth grade is assigned to be in charge of "scary things. On the opening day of school, Reiko, who is a year older than Tomohana, calls Tomohana and takes her to the "fourth year spirit class"... What is the slightly scary and very interesting incident that Tomohana encounters? From intermediate level of elementary school

(Translator: DeepL)