Junichi Ito

Ichiro Miki is a child living in the industrial district of Kawasaki, where his parents' constant struggle to make ends meet often leaves the schoolboy alone. Constantly teased by a bully nicknamed Gabara, his only friends are toy consultant Shinpei and fellow classmate Sachiko. Ichiro turns to escapist dreams of Monster Island where he befriends the equally bullied Minilla.

The "Moriarty the Patriot" musical A Study in Scarlet Reprise is a commemorative stage production marking the original manga's tenth anniversary; it re-adapts and updates the storylines from the first installment (Op. 1 / A Study in Scarlet), which originally premiered in 2019.