School x Supernatural x Mystery. This story takes place before the exorcist Kyougokudou opened up a used bookstore... Our setting is in Tokyo in 1948, just right after the war. Kanna Kusakabe had just become a second-year at a high school when she meets the new language teacher, Akihiko Chuuzenji. Mysterious supernatural things keep happening around Kanna. Once again today, Kanna is going to open the doors to the library prep room to seek help from the surly Chuuzenji-sensei who is waiting inside. A high school supernatural mystery featuring the unlikely duo between a teacher and a high school girl is about to begin!

For Koutarou Murata, an overworked salaryman, his local ballpark is the only place where he can truly unwind from his arduous daily life. One evening, he is approached by Ruriko, the new lively beer vendor, trying to sell her first drink to him. Koutarou accepts Ruriko's offer, marking the start of their friendship and lots of playful teasing. While Koutarou tries to enjoy baseball to the fullest and Ruriko diligently seeks for more customers, many fans with heartwarming stories of their own come to fill the ballpark and enjoy the space that brings them all together.