エロ恋こい

noun

purely sexual love; highly sexual love

Refers to a relationship or attraction that is primarily or intensely sexual, often contrasted with romantic or platonic love. Slangy, modern term.

• あの二人ふたりの関かん係けいはエロ恋こいで、恋れん愛あい感かん情じょうはないみたい。

  Their relationship seems to be purely sexual, without romantic feelings.

• エロ恋こいを求もとめているだけなら、そう言いってほしい。

  If you're just looking for a highly sexual relationship, I wish you'd say so.