Baka to Test to Shoukanjuu‎ - Volume 9, The Sixth Question

Wang Mu, after playing a martial arts role-playing game for several months and achieving the perfect ending of “Love Saint,” unexpectedly traveled into the game world.Just when Wang Mu thought he was about to soar, he discovered that thousands of years had already passed in this game world, and it had evolved into the Immortal World...“Ah, Wang, that's very good. Since you know this, you might as well come and pay respects.”“Holy crap, isn't this my game character from when I cleared the game, the renowned Love Saint Dongfang Mu?”

After getting betrayed and killed by the only person she’d loved, Miss Shang wakes up in the body of the cowardly crown prince Shang Wuxin, who, due to her own circumstances, was actually a girl cross-dressing as a boy. After inheriting the crown prince’s memories, Shang Wuxin has three things on her agenda:

1. Clean up the house

2. Gather loyal followers and soldiers

3. Get the throne

- Description from Novelupdates

He kept her by his side, never letting go! “Please, can you let me go?” “Impossible,” he said, “unless you're no longer my only one.” After they fell in love, he declared possessively, “I want to keep you by my side, to make you belong only to me. You can only love me too, your mind, your world, must be filled with only me.” Yet his domineering love sent a chill through her.

[Unique Characteristic: You acquire ‘Protective Instinct’ (保護本能).]