I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability — S1 E2 - I Encountered an Adventurer

After making the Demon Grimoire his familiar, Lloyd sets out in pursuit of a dungeon with magically enchanted items and encounters Tao, a martial artist who uses Qi techniques. Lloyd assumes the alter ego of Robert and heads deep into a dungeon with her.