Bakumatsu Rock-Girl

The story is set in the Bakumatsu era, at the end of the shoguns' rule over Japan in the middle of the 19th century. The Tokugawa shogunate uses the brainwashing Heaven's Songs by the top idols in Shinsengumi to subjugate the country and its people.

With dreams of becoming a composer and someday writing a song for her favorite idol, Haruka Nanami enters the Saotome Academy, a prestigious performing arts school. If successful there, she'll be able to join the Shining Agency after graduation.

Nanami Haruka wants to be a song writer, so she attends an idol training school filled with beautiful bishounen. The school pairs each aspiring songwriter with an aspiring idol, but Haruka finds herself paired with 6 bishounen idols.

After the unsustainable growth of the human population on Earth, the United Nations has opted to colonize Mars. During this expedition, the humans discovered two alien technologies: The Bacillus virus and the Crusnik nanomachines.