Catriona "Rio" de Villa – portrayed by Ayen Munji-Laurel, the controlling mother of Geneva and is the main antagonist of the series.
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Grace Lim – the series' female antagonist portrayed by Julie Lee a Filipina-Chinese businesswoman based in Singapore who will help Kiko find a job while he is abroad.
Rin Aoki | The Adventures of Rin Tin Tin | Lagrange: The Flower of Rin-ne | Rin Shin | Rin Seikō |