Frequent switching.
Best seke couple out there, just saying.
Frequent switching.
Iconic seke couple.
Frequent switching. (Only a one shot, but it's obviously not a one time thing.)
The perfect threesome! Everyone gets dicked down, as they should.
WARNING: Pedophilia and grooming.
Frequent switching.
Some messed up shit, but yes, they do switch.
Frequent switching.
Sequel to Kyuuso Ha Cheese no Yume Omiru.
Frequent Switching.
Started out with set positions, but started switching in this volume.
Tried it once.
Set positions, but they tried out the opposite way once and realized it wasn't for them. Which is solid and valid, great representation.
Frequent switching.
Seke anthology (as we deserve), but only one chapter so far.
Itoshi no Nekokke