A Secret Rooftop Affair with My Boss

PLEASE NOTE: This volume contains multiple previously-released chapters. Please take care when you purchase to make sure you do not buy duplicate content from the serialized version of this comic.
"You have the face of a woman in love. How cute."
The person she's been secretly exchanging messages with is... her boss, the son of a distinguished family and the apple of every woman's eye in the office? A wolf wearing the mask of a gentleman falls for

Kyoka is an office worker unable to get over past heartbreak. She looks forward to exchanging messages with a mysterious partner through a notebook on the rooftop of their company's building.
One day, she learns that her partner is her boss, Toui, and ends up getting drunk and spending the night with him. His face when he passionately made love to her was different from his usual kind, gentlemanly expression, and Kyoka was unable to resist the pleasure given to her. She thought it would be a one-night stand, but when they're alone in the Material Room, he gives her a melting kiss and whispers, "Let's continue where we left off tonight."