After their one and only live concert was cut short, the girls of Hokago Tea Time went on their separate ways. Yui and Azusa seek to find answers as to how Akiyama Mio took over Tokyo by storm. Ritsu wants to find answers as to why she went to prison, and Tsumugi is nowhere to be found. Armed with both the powers of the Legends Guitar and the powers born within her, can Yui set the record straight? Or are the HTT gone for good?

What happens when a young girl named Hope gets lost in the forest? Her parents are dead, and she's the only survivor of the crash. Will she make it out alive, or will her father's prophecies become her worst nightmare?

Mio Akiyama is a music student when she met Haruka Nanase, the swimming prodigy of Tokyo university. At first, they exchange glances at each other and nothing much. Everything drastically changed when the music club was overflowing with passionate music students and Mio was forced to apply for the swimming club. Haruka seemed hesitant at first but slowly opens up to Mio. Will Mio and Haru fall in love easily? Or are there bumps along the way?

Some students are saying that the Otonokizaka High school was something only in every night, as well as chairman. The students said something suspicious about the music room, and the others room. The others called it "The Mystery of Otonokizaka". The Chairman can't rely on the other students because their afraid about the rumors, the chairman found and rely the things to the school idol group called U's the popular idols. Each of them are investigating all the rooms in the Otonokizaka. They're going to find out the Mystery at the Otonokizaka but there's something happen while they are doing the mission which lead to them to someone's 'past' or 'old' world. Will they found out the Mystery of the Otonokizaka? And What will gonna happen to their school, mostly with them?