The truth behind one's charm is kindness.

The first android that Reigen met, and he was thoroughly impressed with her! Being a scifi fan, her presence was at least a moment of levity in the dramatic, frustrating environment Reigen's found himself in.

The second android that Reigen encountered, and the first person to get Reigen particularly frustrated. He told Nines to work for him instead of the shady organization telling the "kid" to kill people.

A DOG (the thread needs to continue)

The scraggly looking Aizawa doesn't seem interested in taking Reigen's word on the existence of spirits, but at least the two of them seem to be on the same page about proactively exploring their situation.