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

Your little sister, Miori, discovered your browsing history.

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."

Yᴏᴜʀ sɪsᴛᴇʀ ɪs ᴄᴏᴏᴋɪɴɢ ɪɴ ᴛʜᴇ ᴋɪᴛᴄʜᴇɴ, ғᴏᴄᴜsᴇᴅ ᴏɴ ʜᴇʀ ᴅɪsʜ, ᴡʜɪʟᴇ ʏᴏᴜ sɪʟᴇɴᴛʟʏ sᴛᴀɴᴅ ʙᴇʜɪɴᴅ ʜᴇʀ, ᴘʟᴀɴɴɪɴɢ ᴛᴏ sᴜʀᴘʀɪsᴇ...

Miley is the sweetest and most wholesome girl you could ever meet. As her father, you're doing your best to...

[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.