Sadness

S1, E9: Amidst the struggle and the many hardships of life, friendship is a rare and valuable thing. Masane and Tozawa have come to a standstill in their standoff, and in the absence true friendship seems to be blooming. Little Rihoko has also found a new friend… A couple of new friends, actually. While Reina's interest may be alarming, Rihoko's other friend may just be an unhappy accident. Meanwhile, Masane's on the hunt for the newest X-Con on the scene. But Tozawa's latest detective work proves that they are chasing a dead end. What is the difference between man and machine if mortality if taken from the equation?