A mysterious phantom student is stalking Kazuya's school, and Kiriha says that there's no such thing as ghosts. That leaves only one explanation: another amasogi.
We couldn't put aside our jealousy 
and encourage their relationship.
Wir waren eifersüchtig und
konnten es ihr nicht direkt sagen.
Não conseguimos esquecer 
 nosso ciúmes e encorajar a relação.
Из-за нашей ревности... Мы
не могли поддержать их отношения...