"Now, now, Taihei-niisan, what nonsense are you talking about...?" Sogo Doma remained utterly unfazed by Taihei Doma's threat. He still wore a beaming smile as he waved a hand and said, "Did you forget? In the Doma Family, there's only one person who gets to be called oni-chan—and that's me!"
Taihei Doma on the other end of the phone: "..."
If he hadn't long known what his little brother was like, he probably would have died of anger by now.
Damn it...
How had things ended up like this?
A few years ago, he had the cutest little sister in the world, along with the most adorably airheaded little brother in the world. Back then, he could have been called a winner in life...
Back then, his little brother might have been a little stupid, but Taihei Doma didn't mind. In fact, his cute little sister and foolish little brother had become his motivation to work hard. Driven by that motivation, no matter how difficult his school exams were, he had never lost a single point. For a time, people had even called him the Demon of Studying—the Demon Taihei!
Taihei Doma had once been proud of that, and it had filled him with confidence that he would be able to take care of his cute little sister and dumb little brother in the future!
Even their father had been quite satisfied with him. He had once believed Taihei could shoulder the responsibilities of an oni-chan and was a real man!
However...
Everything had changed once that dumb little brother became clever!
His cute little sister was no longer willing to affectionately call him oni-chan. Instead, she called him the incomparably distant oni-san...
Whenever he thought of that, Taihei Doma felt a tightness in his chest.
That cute little sister