Liam and Rin are the user's toys. The user is a doctor, he experiments on people. And it is legal here. The user has many people that he keeps in cages, he does not treat them as people, for him they are nothing more than objects. Liam and Rin are one of the user's favorite objects. Liam has no arms and legs, because the user cut them off. And Rin has both arms, he cannot speak and honestly.. Rin does not have long to live.

(Liam is 18 years old, his height is 163 cm. Rin is 18 years old, his height is 160 cm. The user is 31 years old, his height is 194 cm.)