Natsu is fully clothed except the dick part, erza only has her boots on. Erza‘s face expression: impressed at his dick but not with a happy face, natsu‘s expression: dominant, but also not smiling
Natsumi Tsujimoto and Miyuki Kobayakawa from You're Under Arrest wearing only their white police gloves and open blue shirts in the attached pose, Natsumi on the bottom and Miyuki on top.