添そい寝ねフレンド

noun

platonic sleep friend; cuddle buddy (non-sexual)

Refers to a friend with whom one shares a bed or sleeping space purely for comfort or companionship, without any sexual involvement. Often used in the context of modern, casual relationships.

• 彼かの女じょはただの添そい寝ねフレンドで、恋れん愛あい感かん情じょうはない。

  She's just a platonic sleep friend; there are no romantic feelings.

• 添そい寝ねフレンドが欲ほしいけど、誤ご解かいされそうで怖こわい。

  I want a cuddle buddy, but I'm afraid of being misunderstood.