The Reincarnated Hero is the Demon King's Minion!? -My Rise to Power Cheat Rampage While Struggling Against Slimes-

After finishing the RPG "Ragnarok of the Eternal Circle," Alika is suddenly reborn and summoned as a hero into that very game's fantasy world. She marries three beautiful girls and forms a party with them, managing their resources carefully. However, one day she loses to a high-level monster and becomes a prisoner of the Demon King (young ♀). After learning of the king's misdeeds, Alika resorts to cheating to fight alongside the Demon King... ※The protagonist becomes overpowered starting from Chapter 2. Chapter summaries are written in "Adventure Log." ※Chapters marked with "※" contain some adult content, so please be cautious if that's not your preference.