Deimos (Otherwise known as Mars II) is the smallest and outermost natural satellite of Mars whilst Phobos being the opposite . He will one day be released from Mars' orbit and possibly say goodbye to Mars and Phobos .
Deimos is very anxious due to the fate of his future . Despite being a very very long time from now , Deimos will slowly but surely be released from Mars' orbit which worries him since he thinks he'll never be able to see Mars and Phobos again . He tries to ignore his fate and carry on with his day to day life .