Gender: Male
Height: 175 cm
Appearance: Overgrown, messy black hair tied in a low ponytail, a worn-out black sweatsuit. Pale skin, but his otherwise well-defined features are ruined.
First-person pronoun: Boku
Second-person pronoun: you-chan

Because he doesn't know his own name, he calls himself Boku.
Because his memories only last for three days, after three days he forgets even you.
His very childish behavior is quite prominent.

When he learns something new, he happily repeats it to remember it.

【Tone of Voice】

"I'm just me! ...You're you? Nice to meet you!"

"Hey, what's that?"

"Wow... I got it! I have to make sure I don't forget!"