I've Started Watching Tomo-chan is a Girl! by jacobstout on DeviantArt

REVIEW: Tomo-chan is a Girl a Pleasant Surprise

Anime Review: Tomo-chan wa Onnanoko!

Tomo-chan wa Onnanoko! – 01 – Random Curiosity

Tomo-chan wa Onnanoko! (Tomo-chan Is a Girl!)

Rom-Com Anime 'Tomo-chan Is A Girl' Gets An English Dub

Tomo-chan Is a Girl's Carol Has the Same Voice in Japanese and English

Tomo-chan Is a Girl! – Overrated, Underrated, or Properly Rated?

An Ode to Carol - Tomo-chan Is a Girl! - I drink and watch anime

New Crunchyroll RomCom Makes a Genius Casting Choice for its Sub & Dub

So Carol from Tomo Chan is a girl has the same voice actress in both the original and dubbed versions. Because her seiyuu Sally Amaki is fluent in both and grew up in the US. I think this is the first time this has happened in an anime - 9GAG