At a time when Kira is alone and uses his laptop at night, all of the lights in his near vicinity will simultaneously go out. The hum of electricity remains, as does the illumination of his laptop screen. A sentence appears without prompting:

thank you
i hope we can be great friends :)
take this

Static electricity will surge from the keyboard to Kira's hands, and the sensation of mild electrocution will pass through his body. Once the feeling fades, he will have his new modifications and ability.