https://fantia.jp/posts/4025123

Pixiv: https://www.pixiv.net/en/users/11659204
X: https://x.com/ruutyanerosu

Description (English translation):
Tomoya and Yuri met on Twitter and started dating after a casual hookup.
However, Yuri was dissatisfied with their sex life and, unbeknownst to Tomoya, connected with a man on a secret Twitter account and was taken to a hotel... Meanwhile, Tomoya accidentally discovered Yuri's secret account...

Description (original Japanese):
Tw〇tterで知り合いオフパコをきっかけに付き合う事になったトモヤと悠莉。
しかしトモヤとの性事情に不満を感じていた悠莉は、トモヤの知らない所で
Tw〇tterの裏垢男子と繋がりホテルへと連れ込まれてしまう…
一方その頃、トモヤは偶然悠莉の〝裏アカウントを〟見つけてしまっていた……