Yatara to Sasshi no Ii Ore wa, Dokuzetsu Kuudere Bishoujo no Chiisana Dere mo Minogasazu ni Guigui Iku

Story

Koyuki Shirogane is a girl known for her beauty and harsh tongue, giving her the nickname "Venomous Snow White." One day, she is saved by Naoya Sasahara as a man tried to hit on her. She may try to act tough, but on the inside, she is still a young girl. Koyuki falls in love with Naoya for saving her, and Naoya falls for Koyuki's surprisingly cute and innocent side. Both fail to be honest with each other at first, but eventually bring themselves to admit their feelings for each other. Note: Includes 1 extra chapter.

Synopsis via AniList (English).