Mangas

成長型アンドロイド斉藤くん3号 -  Seichougata Andoroido Saitou-kun 3-Gou
From Divine Sanctuary: Mei receives a present from her father to help her cope with her sudden heartbreak... a robot boyfriend!?
やーやーやーがやってくる -  Ya-Ya-yahがやってくる! -  Ya-ya-yah ga Yatte Kuru -  Ya-ya-yah ga Yatte Kuru!
In the Taishou era, there was a girl named Kinako who loved to sing. However, her parents forbid her to sing, and forced her into an engagement! While running away from her engagement, she fainted. During the time she was unconscious, she traveled through time. She wakes up and finds herself in the modern age, where she is confronted by a group of rising idols?!