Igyou Atama-san to Ningen-chan (Pre-Serialization)異形頭さんとニンゲンちゃん; Igyou Atama-san to Ningen-chan; Гетероморфна Голова-сан і його людина; The Aberrant-Headed Guy and the Human Girl

The main character who got worked to the bone as a corporate slave office lady in the current world got transported to another world, where she became the pet of aberrant head-san. Although they both hold romantic feelings towards each other, it's hard for them to develop their love with their difference in species standing in the way.