[It's habit to check his network device regularly the same way anyone his age might check a cell phone, so Nagito sees this question not long after it goes up.]
A device that has chemicals inside that react to make electricity when you put them in electronics. Don't open them up or stab them unless you know what you're doing.
un: yotsuba
A device that has chemicals inside that react to make electricity when you put them in electronics. Don't open them up or stab them unless you know what you're doing.