C464 He Was about to Prepare to Travel Through Time and Space

According to Chen Ling's understanding, Heifu had once commented on Otto in the original track of Collapse 3.

"There is only one dead woman in his mind, nothing else."

He had been talking about 'saving mankind' all the time, but that was just an excuse.

In this aspect, Otto was very similar to Kevin.

However, one was for selfish reasons, and the other was for obsession