Right. She agreed to this. In fact, it was practically her idea.

Once she had everything ready, she climbed onto the bed to where she thought she'd need to be, and pulled herself up close. Her knees were on the bed and she lifted up Akiha's legs so her thighs would be on Sion's waist, legs on each side of her body. If she fumbled, this could get awkward so she took it one step at a time.