Tōka Shimoochiai (下落合 桃歌), a character from the *Alice Gear Aegis* franchise, bears a surname meaning "decline, fall, depreciation, slump" combined with "combination, fit, suit, join, 0.1". Her given name incorporates the characters for "peach" and "song, poetry". She performs the insert song "Ai ja Nakucha" (愛じゃなくちゃ), composed, arranged, and written by Raizo.W, within the original video animation *Alice Gear Aegis: Doki! Actress Darake no Mermaid Grand Prix*. Tōka Shimoochiai also performs the insert song "Nakano Bojou" (中野慕情; Nakano Longing) in episode 6 of the television series *Alice Gear Aegis Expansion*, demonstrating her involvement across multiple animated adaptations of the franchise.