Yu-no, daughter of Takuya Arima and Sayless, debuted as an infant in Episode 19 of the anime adaptation. Her physical appearance is marked by pointy ears and a distinctive hair antenna. Years after Takuya's earlier timeline encounters, Yu-no journeys alongside him across deserts. During one desert crossing, they depleted their supplies but eventually stumbled upon an oasis. Her documented presence centers on these travels with Takuya and the specific desert survival scenario.