Excel Walter

Excel Walter is the grandmother of Carla Vargas and Juna Doma as well as mother-in-law to Castor Vargas who was formally the admiral of the Navy and she is currently the supreme commander of the National Defense Force. Excel possesses a keen mind and shares several realistic viewpoints with Kazuya Souma. She will do what is necessary to safeguard her people and her long years of experience aids her in making key decisions. She will show no mercy to her enemies and is a shrewd tactician.

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However, she also has a playful side and takes every opportunity to tease Kazuya and his five Queen Consorts. She is very caring toward her granddaughters Carla Vargas and Juna Doma. She was also the one who sent Juna to investigate Kazuya in the first place.

Despite having numerous husbands through her long life she is known for being committed to each of her past husbands and staying with them till the end. (Source: How a Realist Hero Rebuilt the Kingdom Wiki)