Hikari Yagami, a central Chosen Child across the Digimon Adventure series, partners with Tailmon (Gatomon) and embodies the Crest of Light. She later obtains the Digimental of Light. Her journey starts in 1995 as a toddler in Hikarigaoka when a Digitama emerges from her family computer, hatching into Koromon. Their immediate bond leads to Koromon's uncontrolled evolution and a clash with Parrotmon. Hikari's whistle revives Koromon, though both vanish afterward, prompting her family's move to Odaiba. A year later, her brother Taichi takes her outside while she is ill, causing pneumonia and a three-day hospitalization. Unaware of the impact, she apologizes to Taichi for being unable to play, intensifying his protectiveness and cementing her tendency to suppress discomfort to avoid burdening others. By 1999, Hikari joins the Chosen Children during Vamdemon's invasion as the eighth member, partnering with Tailmon. Against the Dark Masters, she prioritizes others' safety—shielding Tailmon from attacks or offering herself to adversaries. Her unique connection to life allows healing Digimon and sensing spiritual essences, though her receptiveness to light leaves her vulnerable to darkness. In Digimon Adventure 02, three years later, a more confident Hikari develops photography interests. Equipped with a D-3 Digivice and Digimental of Light, she enables Tailmon's armor-digivolution into Nefertimon. Her susceptibility to the World of Darkness results in multiple abductions, including an attempt by Dagomon's followers to force her into bearing their master's children. Her friendship with Miyako (Yolei) proves pivotal; their mutual support triggers Silphymon's Jogress evolution and helps Hikari resist darkness. She aids global missions in Hong Kong and confronts threats like the Demon Corps and Belial Vamdemon. By 2002, her style evolves with pink clothing, hair clips, and a digital camera. Her empathy persists, extending to conflicted figures like BlackWarGreymon. In later years, Hikari studies early childhood education at junior college while working part-time at a nursery school, progressing toward becoming a kindergarten teacher. She centralizes Digimon-related activities among peers. By 2012, she teaches part-time at a daycare center. The epilogue reveals by 2027, Hikari achieves her dream as a kindergarten teacher and has a son. She aspires to establish a Digital World kindergarten where humans and Digimon learn together, inviting Tailmon as counselor. By 2028, her hair reaches past her shoulders, styled with bangs tucked behind her ears and two clips. She wears a pink buttoned shirt, white pants, and yellow stud earrings. She attends gatherings of Chosen Children and Digimon in the Digital World, supporting her son as he begins his journey.