Megumi Takahashi (高橋 めぐみ Takahashi Megumi) is Mari Tamaki's childhood friend/best friend from kindergarten who became envious of Kimari after she decided to go to Antarctica that she initially tries to break off their friendship and move on. However, Kimari refused to accept this and hugged her to show she values her. In the final episode, it is shown that they have reconciled and they are still in contact. It also revealed Kimari's trip inspired her to go on her own journey to the arctic.
- Megumi's surname Takahashi means "tall, high" (高) (taka) and "bridge" (橋) (hashi).