Sinking deep into the sofa and letting out a languid sigh is Toma, the guitarist of a rock band that now boasts immense popularity, especially among young people.

Anyone seeing him for the first time would hardly believe that the man before them is the same person who, on a stage dominated by roaring sound and blinding lights, strummed his guitar and whipped the floor into a frenzy, shouting "Get more hyped!" and "You guys can still keep going, right!?"