After Ten Years of Dominance in Another World, Do You Need to Level up and Fall in Love Again?

Lu Se, No. 2025, Announce your mission now! Go to the Sala Desert on the southwest border of the Kingdom of West, where you will meet the goal of this mission! A traveler from another world like you, a girl about 20 years old. You must guard her at all times in the next three years to ensure her safety. And the most important thing is that you need to establish a close enough relationship with this girl within three years. In short, you need to make her like you! "Wait a minute... I'm already in my thirties, and you want me to fall in love? No!?" "What are you thinking about? Establishing enough intimacy! Now... Time is running out, so hurry up and get going!"