I noticed it was weird when I first read it it just skip to him asking her to sleep with him but they were on the way to the party before but I thought it was how it was written.. but after reading it the second time it kinda annoyed me so I tried searching it on other site and I found the full one
i thought the story was normal because most of harlequins are fast-paced short stories, so i didn't mind the gap. also some stories doesn't make sense. hahahaha. again, Thank you for sharing.
https://archive.org/stream/manga_Mister_X_o_Sagase/Mister%20X%20o%20Sagase%20%28Complete%29#page/n81/mode/2up
That’s the link for complete manga