Inaba Tsukiyo, 13 years old.
She was the youngest of the Five Swords of Qian Yuan Dormitory, yet she was the strongest. The swordsmanship school she practiced was Yakumaru Jigen-ryu. She had been physically weak since childhood. Although she was blind, her hearing was extraordinarily acute. It was precisely because of this that she had been able to become one of the Five Swords despite her condition.
Yes, her hearing was exceptionally sharp.
In fact, while she was at Qian Yuan Dormitory, no sound in the entire dormitory could escape Inaba Tsukiyo's ears.
Naturally, Duanmu Huai's office was no exception.
Only... well, it had come as somewhat of a surprise to Inaba Tsukiyo.
"Oh... oh... ah..."
Although Duanmu Huai's room was at the opposite end of the building and had soundproofing, Inaba Tsukiyo's keen ears still caught the beastlike panting coming from there. To be honest, this had surprised Inaba Tsukiyo somewhat. She had never expected Minme Satori, who was usually so carefree, to make such indecent sounds.
Come to think of it, she had never expected those two to have this kind of relationship. It was a terrible disappointment.
Just as Inaba Tsukiyo was thinking this, the two voices came through again in fits and starts.
"Teacher... I'm going to die... Satori... it hurts so much..."
"Really? I thought you'd enjoy this... Ora!"
"Ooooooh! Baby, baby's room... is going to break... it's breaking...!"
"..."
Inaba Tsukiyo reached out and covered her ears. Yet even so, her hearing, several times more sensitive than an ordinary person's, ignored her refusal and caught that faint thread of sound.
"Ora! Ora! Ora! How does it feel?"
"Ooooooh...!"
Duanmu Huai's deep voice sounded in Inaba Tsukiyo's ears as though it had taken on some tangible form, swelling inside her body. It was as if