Heaven's Memo Pad

Narumi Fujishima is an average high school student who prefers to keep to himself. Ayaka Shinozaki is the only member of the school's gardening club who works part-time at the Hanamaru Ramen Shop. After Ayaka persuades Narumi to join the club, he meets the mysterious Alice, a child-like genius detective who lives above the ramen shop. In time, Narumi begins helping Alice investigate a strange illegal drug, not understanding the dangerous ground he walks upon.