Hikari Yagami is one of the main protagonists of reboot anime, Digimon Adventure:.
She is voiced by Misaki Watada in the Japanese version.
Despite knowing from Koshiro that the missile's target is Tokyo, both Taichi and Yamato are willing to keep fighting, and when their younger siblings Hikari and Takeru come in contact with a mysterious power, both Greymon and Garurumon fuse into Omnimon.
Taichi and Yamato confront the enemy by themselves until feathers fall to the sky for Takeru and Hikari, and both Agumon and Gabumon merge into Omnimon once more.
When Hikari and others are attacked by MarineDevimon and it kidnaps Kari, Gatomon tries to rescue her, but is affected by miasma with fragment of Millenniumon inside and turns against Greymon but but Hikari manages to calm her. She tells Gatomon always be at her side. She snaps out of the miasma's influence and regains her courage while Hikari's light allows her evolve into Angewomon.