Renta: Yuma Kawahara's just your regular office worker, and he has a childhood friend he just can't refuse a favor to. His friend, who's a freelance journalist, asks Yuma to go on a dangerous mission to find out some juicy gossip about popular actor Kei Hoshina. So, Yuma enters Kei's place in the guise of a salesman and starts snapping some pictures, only to be caught right away! The initially nice Kei shows a sadistic side, and Yuma soon finds himself bound and helpless...! Thus begins the nightmare that is to be his life...
This is a scandalously cute romantic comedy between a regular office worker and a gorgeous star! This volume also includes a bonus story about what happens after!

Renta! readers also get a bonus page from the paper edition!
Note: There's the soft scenes of BDSM (Rope). Not the knot you learn from Boy Scout class

Resource links:
https://www.ebookrenta.com/renta/sc/frm/item/140798/
https://www.mangaupdates.com/series.html?id=152426