Tantei no Susume - Amagaeru no Tsuioku Hen

Hello. I'm a detective student at Hana no Shoujo College. My father is a criminal investigator. My name is Kisa. Summer is here and I've come to the rural mountain town of a boy named Yuuto. But there are a series of strange occurrences. Exploitation by a certain character in the name of "gathering", the whereabouts of the Amagaeru debt, the appearance of a suspicious rival detective. And then, a murder! Help me face off against the middle-school detective Minako and unveil the truth hiding in Amagaeru.