Talk:Itsuki Nakano/@comment-2405:204:9699:1B93:A5C5:94F3:148E:354-20190327063643/@comment-28994028-20190327102335

It was in chapter 41.

She said "the moon is beautiful" (tsuki ga kirei) which in japanese literally translates to "i love you". I haven't directly confirmed its meaning, but you can look it up yourself.