happy birthday my smiling boy...please take care of your heart, never let anyone tell you that you are not capable or that you are not worthy, keep smiling, sometimes the day can be cloudy, but you are an incomparable sunshine #여름의낭만_최산_태어난날 #IdolofIdolsChoiSanDay #ATEEZ #에이티즈 #HAPPY_SAN_DAY