TV-Series
Description
Mashima Himeko is a Myumon (striped cat) characterized by yellow cat ears and a pink-and-yellow striped tail. She has long blonde hair featuring pink streaks, typically styled in twisted twintails, and pink eyes. Her frequent attire includes a pink hooded sweater with yellow sparkles, a white ruffled collared shirt with a purple bow, a pink underbust corset featuring gold buttons, a pleated pink skirt with dark purple ruffles, pink thigh-high stockings displaying jagged purple trim, and purple heeled ankle boots.

Her personality blends outward reserve with intense inner sensitivity. Initially avoiding social connections due to past negative experiences, she projects a distant or cynical demeanor. Despite this, she possesses a strong work ethic, particularly in music, having practiced her instrument diligently since childhood. She is insecure, quick-tempered, and privately sentimental, often retreating to the beach for solitude when overwhelmed. Her honesty is frequently compromised by attempts to appear composed, especially around her bandmates.

Himeko serves as the lead guitarist and vocalist for the band Mashumairesh!!, a name derived from her surname and the word "fresh." The band formed under her uncle "Master," who runs UNZ Studio where they practice. Her guitar is named "Mashima Twinkle." Her backstory includes a history of isolation, though she was a research student and worked part-time at a call center.

A pivotal development occurs when she encounters Howan, a girl from Eiyatto Village who lost her audition pass in UNZ City. During a street performance with her bandmates Ruhuyu and Delmin, Himeko notices Howan moved to tears by their music. Impulsively, Himeko invites her to sing, marking the first time she actively reaches out to someone. Later, finding Howan stranded in the rain after being unable to camp in a park, Himeko offers temporary shelter. This act evolves into Howan moving in permanently, catalyzing Himeko's emotional openness. The two develop an exceptionally close bond, with bandmates comparing their dynamic to a "married couple." Himeko becomes protective of Howan, exhibiting jealousy when others interact closely with her, and gradually learns to trust Howan's judgment in social matters.

Her growth is further evidenced through band interactions. Initially reluctant to perform publicly or bond deeply with Ruhuyu and Delmin, she gradually embraces collaboration, recognizing the value of mutual support during rehearsals and performances. This shift culminates in her composing original songs, such as one performed during the street meeting with Howan, reflecting her deepening investment in shared musical expression.

Trivia details include her secret hobby (undisclosed), love for Criticrista (particularly member Rosia), and collections of their merchandise. She keeps a guitar pick tucked in her hair for performances and enjoys pizza-flavored potato chips and tuna-based dishes. She failed her driver's license test 69 times before passing.