The toilet was clean, too.
There was... a lot more toilet paper in the trash can than yesterday?
"Wait, there's something else in there."
Yukinoshita Yukino took a closer look and realized there was also a piece of underwear.
They were traveling all over the world on a tight schedule, so doing their own laundry wasn't convenient. All three girls had opted to buy disposable underwear at the supermarket—use it once and toss it. Simple and convenient, with no washing or hanging it out to dry.
Yukinoshita Yukino had a good memory. Based on its color and pattern, she quickly recalled:
"This is... the underwear my sister changed into before bed last night. Why did she throw it away?"
Thinking of Haruno, who had been acting strangely and staying in bed this morning, Yukinoshita Yukino grew even more puzzled:
"What exactly did my sister do in the bathroom last night?"
"Should I ask her?"
After a couple of seconds' hesitation, Yukinoshita Yukino shook her head:
"Never mind."
She didn't like prying into other people's secrets. Besides, if her sister wanted to tell her, she would do so without being asked. If she didn't, asking wouldn't reveal the truth... In any case, as long as her sister was all right, that was good enough.
Half an hour later.
Amamiya Natsuki stepped out of his room and met up with the three girls in the hotel lobby.
"Good morning, Elder Sister Haruno."
Amamiya Natsuki raised a hand in greeting.
"Good morning, Natsuki-kun."
Haruno's gaze flickered for just a moment, but only for a moment. A bright smile soon appeared on her pretty face as she returned his greeting, as though nothing had happened last night.
Clearly, Haruno had no idea that Amamiya Natsuki already knew.
Only Amamiya Natsuki's eyes could see something