Momo's Iron Will

Inuwashi Momo, a lovely and delicate girl, lives with her handsome brothers who have been dearly taking care of her since their parents' death. Of course, she loves them… maybe too much… In order to protect her kingdom, Momo acts coyly while using GPS to track them and doing whatever it takes to get rid of girls interested in her brothers, like a soldier. But one day, Momo meets a boy who wants to overthrow her perfect kingdom! ---------- - (https://kodansha.us/series/momos-iron-will/)