On her way to school one morning, a boy from another school gives Himeno a love letter. The sudden turn of events has Himeno bewildered, and behind her bewilderment likes a traumatic memory from her childhood. What happened in Himeno's past? Himeno and Nozomi have come to Kyoko's house for a study meeting. As they're working, something strange happens...
It hasn't even been half an hour!
!لم تمر نصف ساعة بعد حتّى
¡No ha pasado ni media hora!
¡No ha pasado ni media hora!
Non è passata nemmeno mezz'ora!
Não faz nem meia hora que começamos!
Даже полчаса не прошло!