Kotoko's acting strange. Actually, she always acts strange... But she didn't pull out people's hair or lurk about with syringes before. Rito and Mari find her behavior suspicious, but Kotoko refuses to explain herself because she's afraid of being alone again and accidentally tears Rito's drawing. Then a Scooper appears...
You were conducting your research because 
you were worried about them, right?
كنتِ تجرين بحثك لأنك كنت قلقة
عليهما، صحيح؟
Du hast nachgeforscht, weil du dir um eure
Gesundheit Sorgen gemacht hast, oder?
Investigabas sus cuerpos
porque te preocupaban, ¿no?
Investigabas algo
porque te preocupaban, ¿no?
Tu as fait toutes ces recherches
en t’inquiétant pour leur santé, non ?
Stavi facendo quelle ricerche
perché eri preoccupata per loro, giusto?
Você estava estudando porque
se preocupou com elas, certo?
Ты ведь занялась исследованиями, 
потому что беспокоилась за своих подруг?