The Insect King's Return

In a futuristic interstellar setting with insectoid aliens, females are strong and males are weak. The story features a younger love interest. An insectoid female develops feelings for someone she finds in a crashed escape pod on a remote star system. After returning to the insectoid world, amid the jeers of countless males, she agrees to "marry" General Seran, whom the Male Insectoid Association has labeled the male no one would ever want to marry. Thus begins her journey of studying, earning money, and slowly growing stronger. She has the strongest wife, the most haughty mecha, and the inheritance of the oldest and noblest imperial family. Step by step, she exposes a usurper's thousand-year-old web of lies, reclaims the inheritance and glory, and sets out on the path to the throne.