Do You Like Big Girls? manga volume 8 features story and art by Goro Aizome.

Sanae orders Kaoru and Sota to go on a date in an attempt to get Kaoru out of her volleyball slump. The two stumble upon a sauna from their childhood, and Sota drags her inside! Having never been pampered before, Sota dutifully rises to the occasion…embarrassing! Afterward, Kaoru takes a sudden trip to a spooky prison, the girls have fun learning a new bondage technique, and a certain special part of Sota’s anatomy vanishes before his eyes!