The Item Sagashi: Joshikousei Tantei Shinjitsu no Jikenbo

This is the first item-seeking adventure game in the @SIMPLE DL series, in which the player solves cases that occur in the school while searching for items.
The objective of the game is to solve the case by finding the items that are given to you in various places in the school. You can enjoy both the school slapstick story and the item-seeking puzzle elements.