Masashi Yahari, called Larry Butz in English-language media, shares a childhood history with Phoenix Wright and Miles Edgeworth from elementary school. In fourth grade, his theft of Edgeworth's lunch money during an absence led to Wright's false accusation in a classroom trial; both Edgeworth and Yahari defended Wright. Yahari later identifies himself as a "bona-fide junior high school graduate," confirming he did not attend high school. As an adult, Yahari cycles rapidly through jobs and romantic partners, holding at least five different occupations and dating nine girlfriends within three years. His work included selling hot dogs at Gourd Lake and part-time security for KB Security. His relationships invariably conclude with abrupt breakups. Seeking change after perceiving his life as a failure, he discovers inspiration in Elise Deauxnim’s book *The Magic Bottle* and reinvents himself as a picture book artist and illustrator under the pen name "Laurice Deauxnim," claiming apprenticeship to the renowned author. Yahari becomes entangled in multiple legal cases. As Wright’s first defense client, he was accused of murdering ex-girlfriend Cindy Stone; Wright secured his acquittal, though Yahari avoided paying legal fees. While working at Gourd Lake, he unintentionally witnessed events tied to Robert Hammond’s murder, providing vital testimony that exonerated Edgeworth and confessing the childhood lunch money theft. During his KB Security employment, his neglect left his post unguarded the night his employer was murdered, a lapse exposed during testimony. Years later at Hazakura Temple, using his "Laurice Deauxnim" identity, he developed an infatuation with nun Iris. An anonymous letter demanding a meeting, written by Yahari, alarmed her due to unrelated secrets. That stormy night, he observed a figure flying over Dusky Bridge and drew it as "evidence"; this artwork and testimony later proved pivotal in a murder trial despite initial misinterpretation. His picture book *Franzy's Whippity-Whip Trip* became a bestseller. Approximately a decade post-temple, Yahari continues illustrating but struggles to escape "one-hit wonder" status. He pursues engaged woman Ellen Wyatt, involving Wright in her legal defense. His personality persists: emotionally volatile, magnetized to trouble, perpetually seeking romance while claiming not to trust women—a stance he continuously contradicts.