Kotoko and Kuro discover where Rikka, his cousin with the same powers, has been living since their last encounter. They go to investigate the apartment, which has a grisly history.
Unless they were completely insensitive, 
they probably felt a little guilty.
.سيشعرون بالقليل من الذنب إلّا إن كانوا عديمي الإحساس
Wenn er kein emotionaler Eisblock war,
wird er Schuldgefühle gehabt haben.
Se ele não fosse completamente insensível,
com certeza ele sentiria um pouco de culpa.
Тут разве что последнего злодея
совесть мучить не станет…