- Sometimes wonders what his place in life is considering him and all other humans were created to be bio-weapons by aliens.
- Once accidentally saw Mizuki naked. He liked it.
- Has a parasitic organism bonded to him that creates a bio-boosted armor called the Guyver when called upon. Doesn't want anyone to find out because he's afraid they'll be terrified of him, since he's literally a killing machine.
- Has died once. It was incredibly painful and extremely traumatic.
- Forced into killing his dad. Very traumatizing, but he got through it in order to save his friends.
- Is very lonely since being pod-popped and is quickly attaching himself to most of the people he interacts with.
- He thinks Asuka is cool and is not bothered at all by her arrogance.