Day one: Your ultimate bias
Day two: Your favorite OTP
Day three: Your favorite Sub-group
Day four: Your favorite SJ Song
Day five: Your favorite SJ-T song
Day six: Your favorite SJ-M song
Day seven: Your favorite SJ-H song
Day eight: Your favorite SJ-K.R.Y. song
Day nine: Your favorite song that was sung on a live performance
Day ten: Your favorite album
Day eleven: Your favorite MV
Day twelve: An SJ song you know all the words to
Day thirteen: A SJ song that makes you cry
Day fourteen: A SJ song that makes you smile
Day fifthteen: A SJ song that reminds you of the missing 3
Day sixteen: The very first SJ song that you’ve ever heard
Day seventeen: A picture of your favorite SJ-subgroup
Day eighteen: A picture of the member you think has the cutest smile
Day nineteen: A picture of the member you think is overrated
Day twenty: A picture of the member you think is underrated
Day twenty one: A picture of the member you think has the best “engrish”
Day twenty two: A picture of the member you think has the best jawline
Day twenty three: Your favorite picture of your bias
Day twenty four: Your favorite SJ picture
Day twenty five: Your favorite SJ show
Day twenty six: Your favorite dance
Day twenty seven: Your ideal boyfriend out of all the SJ members
Day twenty eight: Your favorite SJ interview
Day twenty nine: A SJ song you never get tired of
Day thirty: Your favorite radio show that is hosted by a SJ member

Thanks to @madz67!!!!