Senrigan Tantei Bu 1 (Kodansha Aoi Tori Bunko)

[Machine Translation] Rintaro Hanamari is a fifth grader who has moved to Kamakura from a small island in Hiroshima. His family consists of his mother, Kaoruko, a writer, and his best friend, Kuro-chan, a raven. Rintaro was supposed to join the soccer club, but his classmate Tenma Kamijo forces him to join the detective club, where he and club member Rokka Yamauchi try to solve the mystery of a treasure hunt. An unexpected twist awaits them at the end, and they can't take their eyes off the story until the very end! From elementary school intermediate level.

広島の小さな島から鎌倉にひっこしてきた小学5年生の花毬凛太郎。家族は母親で作家の薫子、そして親友でヤタガラスのクロちゃんだ。サッカー部に入るつもりが同級生の上條天馬から強引に探偵部に入部させられた凛太郎は、部員の山内六花と3人でお宝探しの謎にいどむ。ラストには思いがけないどんでん返しが待っていて、最後の最後まで目が離せない!小学中級から。