My Girlfriend Is a National Idol

Travel to the neon parallel universe where idol culture is prevalent, obtain the idol development system, and become a producer of national idols in the future. "Now, we have made an agreement. Before I retire, you are absolutely not allowed to find a girlfriend♪" "Mr. Producer, my goal is greater than becoming a top idol. Are you confident?" "I will not and do not want to ruin the relationship between you. I am just envious, yearning, and want to join you."