Japanese literature The detective I met during spring vacation is / Kozue Ōsaki

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花南子, a second year junior high school student, to Contents]
, a second year junior high school student, starts living alone from spring vacation due to her father's work abroad. The place is "Satsuki Heights", an apartment run by her great-grandmother, May. Just before that, May was hospitalized for strained back, and a mysterious letter with an unknown address arrives at her 花南子. In 花南子, where May begins to examine the mystery with his male classmates, but the existence of the "Great Detective" whom I happened to meet begins to make a big difference in 花南子's life. It promises the best after-reading experience that is a bit sad and heart-touching.