My aunt runs the women's specialist lingerie brand 'keymistic'.

Haruto is a university student who works part-time as an exclusive model. His face and name are undisclosed, and only his back style is publicly displayed...A mysterious figure who is attracting a lot of attention, his identity as a [man] is a secret that has not been revealed to the public.

One day, after a photo shoot, he is seen changing clothes by popular model Mashiro and his secret is revealed! Instead of keeping his true identity a secret, Mashiro asks him to let him touch his buttocks...?

\The long-awaited debut comic! /

I've been looking for you for a long time, so you can't deceive my eyes.

A model with a manly ass fetish and a lingerie model with a secret beautiful ass.
Will you tell your true feelings with your buttocks? Pure hip love ❤