The series tells the story of the five students; Yuuta Hoshitani, Tooru Nayuki, Kaito Tsukigami, Kakeru Tengenji, and Shuu Kuga as they struggle to enter the musical department of Ayanagi Academy, a school focusing on music. They need to be accepted to the Star Frame Class, which is directly taught by the members of Kaou-kai, the most talented from the musical department who stand at the top of the pecking order within the academy. Luckily, they are spotted by Itsuki Ootori, one of Kaou-kai members. (Source: Wikipedia)

Basara Toujou has a hard life. He is the older step-brother to two demonic sisters, Mio and Maria Naruse, whom he protects from entitled demons looking to claim Mio's power for themselves. On top of that, rising political tension within the demon realm only makes his job more difficult. When a messenger arrives with summons for Mio to the demon realm, she and her friends go in spite of the danger. Now on the enemy's turf, Basara will have to grow stronger through erotic pleasure in order to do the impossible and protect everyone. [Written by MAL Rewrite]

In the year of 20XX, a young boy by the name of Netto Hikari receives a very special gift as he enters the 5th grade. His very own customized net navi, Rockman! Despite Rockman's small size and far more responsible personality, the two boys quickly become the best of friends. A net navi is designed to guide his operator from the inside of his or her PErsonal Terminal, or simply PET for short. Children and adults alike enjoy friendly "Net Battles", where they spar their navis against each other to prove their worth.

A spin-off of the Tesagure! Bukatsumono series.