Anata de Fukuramu, Watashi no Peshanko.

"You seem to be the only one who can make me hard." It was an unbelievable confession he made while crowding me up against the wall. I had lost all my confidence as a woman, but now…

(Source: Coolmic)

Note: This is the monochrome tankoubon version. Originally published as a colored webtoon in 2018 under the name Watashi ni Tatte Kurete, Arigatou Gozaimasu (私に勃ってくれて､ありがとうございます), the monochrome tankoubon versions came out in 2019 under the name Anata de Fukuramu, Watashi no Peshanko. (あなたでふくらむ、私のぺしゃんこ。)

Released as 3 volumes and 18 chapters in Japan, each chapter has been split into 3 parts for the English release for a total of 54 chapters (Webtoon ver.)