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.
Also, don't just suddenly use 
the final punchline like that.
.وأيضًا، لا تستعملي الجملة الأخيرة هكذا
Bring zumindest nicht
direkt die Schlusspointe.
Tampoco deberías lanzar
el remate final así como así.
Tampoco deberías soltar
el remate final así como así.
Autre chose.
E poi, non devi usare
Além disso, não
termine a piada assim.
Кстати, восклицание было лишним.