Madoka Shiga

The series depicts an active day of incidents and meetings that take place when Rilakkuma, Korilakkuma, Kiiroitori, and Kaoru go play in an amusement park that is about to close.

The novel follows Richard Ranashinha Dvorpian, a handsome British jewelry appraiser, and Seigi Nakata, a bright and upright Japanese college student. The duo solves various jewel-related cases by unraveling the hidden .