Open Sesame (Mutou Hiromu)

Open Sesame, created by mangaka Mutou Hiromu, was serialized in the long-running Japanese magazine Weekly Shonen Jump during the early 1990s. The series emerged during a highly competitive era for shonen manga, characterized by an emphasis on gag humor, slapstick situations, and the eccentricities of youth culture. It fits firmly within the tradition of character-driven comedic manga that defined much of the magazine's output during that decade.

The design of the series centers on Hiromu's distinct artistic style, which leans into exaggerated expressions and dynamic, often chaotic, panel compositions to enhance the comedic timing of the narrative. While it did not reach the global ubiquity of some of its contemporaries, it remains a recognized title among fans of 1990s domestic Japanese comedy manga, valued for its specific aesthetic and the playful, lighthearted spirit typical of the era's gag-focused storytelling.