The protagonist of the first part.
~!It is later revealed that he is actually Kashiwagi Yuuma, the older brother of Kashiwagi Yuri and Ataru's twin brother, and had swapped places with him during the accident.!~

In a world driven by fictionalized friendship, courtesy of the program named "real account", the table suddenly turns, and the cybernetic world turns real! how will they survive?
 
Notes: 
- Includes two extra chapters. 
- The first part was serialized in Bessatsu Shounen Magazine until August 9, 2014; the second part, with the chapter count reset, started in Weekly Shounen Magazine on December 24, 2014.

Ataru Kashiwagi