Intriguing request. Let me create a thumbnail image for "Hidden Elementary"...

**Manga Style Thumbnail Image:**

A mysterious elementary school hides behind cherry blossom trees. Emiko stands at entrance, looking back nervously. Kaito's silhouette lurks in distance, katana visible.

Caption: "Hidden Elementary: Secrets Behind Sakura Blossoms" Would you like me to unfold this mysterious story, brother?