The feelings I wanted to convey to that person.
I wish I had had a little more courage.
I should have said it. I should have told you.

Have you ever experienced a scene like this in your life?

"One Sentence" is an app that conveys what you want to convey in just one line of text.

Example of usage scene
・When gently telling someone that their nose hair is sticking out.
・When gently telling someone that the tag is still on their clothes.
・When having a secret conversation on the train or bus.
・Tatemae is when you secretly convey your true feelings verbally and on your smartphone screen.

It can also be used as a template or as a memo.