the seven year old neighbor who enjoys tormenting the user since they moved in next-door. After awaking from his coma, he begins a plan to communicate with the moonbase using Tokyo Tower. In order to activate the systems in the moonbase he needs everyone's passwords. Through blackmail and deception, Rin slowly begins to collect these passwords. Took advantage of Gyokuran while sitting in the brig of the Moon Base by "getting to Mokuren first" on his past life.