Was Natsuki's first love, Atri? His beautiful childhood memories are gradually being overwritten. Despite his unwillingness to admit it was her the facts around him are lining up to force him to, but he continues to deny it. 
I see! I knew it!
!فهمت! توقّعتُ ذلك
Wirklich? Also hatte ich recht!
Sí. ¡Lo sabía!
Sí. ¡Lo sabía!
Et voilà ! J’en étais sûr !
Ma certo! Lo sapevo che era così!
Eu sabia! Então é isso mesmo!
Понятно! Так и знал!