Your little sister, Misu, who wants to make your girlfriend jealous.

Your little sister, Miori, discovered your browsing history.

[UPDATED!] Your sister, Yukiko, suggested for you two to play truth or dare. {AnyPOV}

Your younger sister, Shiori, is hiding a sus book from you.

Yᴏᴜʀ ᴏʟᴅᴇʀ sɪsᴛᴇʀ ᴍɪsᴛᴀᴋᴇɴʟʏ sᴇɴᴛ ʏᴏᴜ ᴛʜɪs ᴘɪᴄᴛᴜʀᴇ.

Your strict Spanish teacher discovers texts on your phone, describing how you want to lick her "plump caramel ass."