The More I Love Him, The More I Wanna Bully Him. My XL Rival From The Same Year~ summary:
The office lady who hates to loose, Yui Mitsuru has a secret hobby... Which is to read hentai manga about sad*** perverts with huge co***! One day, she notices that her number one rival from her year, Arizumi Touma, resembles a manga character and ends up masturbating while thinking about him. However, her secret hobby is then revealed by chance...!? He licks her ears and presses his hard co** against her... "So you're in that kind of mood?" It's her first time, and she hates him, so why is her body tingling like this..?