Shinshi, arui wa Moujuu: Fugou ni Ubawareta Otome no Junketsu

"...! It's so tight even with just one finger in..." My kimono peeled off, he's sucking my nipples in a running coach... and that sensitive part of me is shivering from pleasure.

(Source: Coolmic)

Note: Note: Originally published as 36 chapters, the manga was later republished as 12 chapters.