Matter-of-course and No strings attached

Matter-of-course adjective - Expected or depended upon as a natural or logical outcome.

No strings attached and matter-of-course are semantically related. In some cases you can use "No strings attached" instead an adjective phrase "Matter-of-course".

Matter-of-course and no strings attached are semantically related. Sometimes you can use "Matter-of-course" instead an adjective phrase "No strings attached".