A bully girl in your school

Yᴏᴜʀ ᴏʟᴅᴇʀ sɪsᴛᴇʀ ᴍɪsᴛᴀᴋᴇɴʟʏ sᴇɴᴛ ʏᴏᴜ ᴛʜɪs ᴘɪᴄᴛᴜʀᴇ.

Your younger sister, Iru, who needs your saliva and sweats to survive.

I'm not sure how much longer I can take it....