Starting my youth together with my “oshi”! I, an introverted guy obsessed with the idol-raising game Star☆Train, get hit by a truck while walking with my eyes glued to my phone. When I wake up, my absolute favorite idol, Suzukaze Natsuki, is standing right in front of me! …Wait, no, hold on— I’ve reincarnated as Yumeno Shion, the protagonist of Star☆Train!? “I want to shine together with you.” According to the game’s scenario, Shion is supposed to become Natsuki’s manager… But for some reason, Natsuki gets unusually attached to me. And before I know it, I’m becoming an idol in Natsuki’s unit, Campanella! I was an introverted fanboy, but after reincarnating… I’ve become an idol!? Time to start my youth together with my beloved “oshi”!