This manga adapts the Cosmic Princess Kaguya! anime film, following Tokyo high schooler Iroha Sakayori as she finds a baby girl emerging from a glowing telephone pole one night. The infant grows at an impossible rate into a teenager named Kaguya, who wants nothing more than to stream in the virtual world Tsukuyomi, the same platform Iroha's favorite streamer, Yachiyo Runami, runs. As Iroha becomes Kaguya's producer and songwriter, something starts closing in to take Kaguya back to the moon.