Tokyo, Doma Residence.
Yukino Yukinoshita glanced at Mashiro Shiina, who was sitting at the desk working through questions, then lowered her head again and sank into thought over the paperback novel in her hands, which she had not turned a page of in ages—she had never expected a bastard like Sogo Doma to have such a gentle, considerate, and honest little sister. Though Umaru was a grade below her, there was no barrier at all when they spoke. She had even begun to think that interacting with people was actually rather nice.
Compared to Sogo Doma's little sister, her own big sister was truly beyond words...
What Yukino Yukinoshita did not know was that her incomprehensible big sister was currently clutching her phone and letting out a low growl. A benevolent smile hung on her face, while her eyes glinted with bloodthirsty light. In this state, Yukinoshita Haruno resembled a killer from legend...
And what had turned the eldest Yukinoshita daughter into this was a recording Sogo Doma had sent her:
"Yukinoshita, you seem a little nervous..."
"W-Who's nervous..."
Listening to that exchange, Yukinoshita Haruno felt as though an arrow had pierced her heart. Her most adorable little sister, her pure little sister, had actually... actually given herself away just like that? How long had it even been since she transferred schools? Why had things progressed so quickly? Before Haruno could react, Yukino had already stepped onto the stairs of adulthood?
Damn it, the worst part was that the other party was that bastard Sogo Doma. Just listen to how he addressed Yukino—Yukinoshita. That bastard had already gone this far with Yukino, yet he still called her Yukinoshita so distantly. In other words, that bastard did not see Yukino as one of his own...
In other words, he was