His Obsession

When moon finds out that someone was in suns body, he immediately approached them. He learnt that his name was eclipse aka the part of himself he left behind in sun.
Moon offers Eclipse to stay in sun body and that sun will get a new body. After taking things into consideration, Eclipse accepts moons offer.
After a while , Sun is finally seperated from eclipse and in his new body.Although since it was suns second time getting seperation parts and service staff decided that sun will stay in parts and service for a week to make sure that no other code is still in sun or to see if any of suns code is damaged
While eclipse is staying at the daycare he starts getting a slight obsession over moon.

Read this to find out what happens