Tsubomi Takane, a middle school student at Salt Middle School and childhood friend of Shigeo "Mob" Kageyama, is celebrated as the school idol for her striking sapphire-blue eyes and dark-blue hair, initially accessorized with a pink hairclip. Her refined presence evolves in later seasons, adopting a design closer to the manga with the hairclip removed and less rounded eyes. As children, Tsubomi frequently played with Mob, who showcased psychic abilities to win her attention. Her growing indifference toward these displays gradually distanced them, cementing Mob’s belief that supernatural talents alone couldn’t secure belonging. This realization drove him to join the Body Improvement Club, influenced by her admiration for athleticism. Tsubomi navigates social dynamics with poised independence, masking vulnerabilities like concealing a runny nose during a sneezing fit to preserve her image. Though popular, she remains wary of peers, doubting their sincerity. Her pragmatic side emerges when she tests Reigen’s trustworthiness by pretending interest in a boy. While reserved in groups, she relaxes around Mob, revealing a candid, unguarded self. Her impact on Mob peaks during pivotal moments. In the Keiji Mogami Arc, her name anchors Mob’s psyche, pulling him from manipulation and renewing his vow against violence. When relocation rumors surface, a cascade of confessions follows—including Mob’s—triggering city-wide chaos. Amidst the turmoil, Tsubomi honors their childhood pact by waiting at the park. Her direct yet gentle rejection challenges Mob’s idealized view, fostering his maturity in accepting reality. Post-confession, they maintain contact through phone calls after her move. Tsubomi embodies "takane no hana"—an unattainable ideal driving Mob’s growth. Her piano skill, love for gyūdon, and dislike of sea urchin add personal nuance. By engaging Mob without judgment, she provides solace amid his social struggles, underscoring her silent yet profound role in his journey toward self-acceptance and identity.