Several episodes previously, Ai collected the guts to inquire about Mr. Sawaki why Koito passed away. We never really discover what occurred past that world, but we would see that Ai decided not to have a satisfying address – and possibly she not would like to understand.
This is certainly until Our Ai’s fight to guard AU Ai culminates in a troubling revelation. Mr. Sawaki may be the monster AU Ai is troubled by. In the massive kind, Ai’s precious teacher reveals understanding of this lady crush, saying that a new women’s enjoy are simple while mature fancy try corrupted – in essence motivating the girl to give up and stop living.
In the anime, Mr. Sawaki was basically put up getting the tv show’s villain. While he never attempts to molest Ai, their fascination with attracting her tends to be translated as creepy, and then he is observed hugging Koito – who likely also have a crush on him. It is heavily implied that he understands anything about Koito’s demise and therefore he had been also behind bien au Ai’s committing suicide.