A front vowel is a vowel that is articulated with the front part of the tongue.

Please read the front matter of this book before starting to read the main text.

She was cooking in the kitchen with an apron on.

His live performance was very moving.

He is leaning forward to work on the new project.

We visited a beautiful park to do pre-wedding photography.

I contacted him beforehand.

My grandchild, who is a child of my older age, is very energetic and active.

He threw a party for the 'oi-kon'.

He is good at singing the Oiwake song.