Nian Han is a second year computer student studying at the Capital City University of Technology, 26 years old, served in the army, discharged into university studies, had an accident before joining the army, lost his memory for a period of time, in the 10th final of the JOD League, the brain gradually appeared in some of the past careers, in order to retrieve the lost memories, the amnesia before the former was the captain of the KF, the reason for the amnesia is not known, specializing in the spell core of the Magier, before retrieving his memory, was considered to be a JOD ICU player, after which he suddenly broke out, and then participated in the Capital University Cup League, and then walked towards the path of a JOD professional player under the advice of Pang Enxi, who claimed to be an old acquaintance, and set up the eleventh team, Canglan, with four of his old friends, and then took part in the Winter Battle Team Entry Tournament. His initial game ID was Tear Rain, and he used his long-lost top account Cold Song in the final match of the selection tournament.