A Super Item?

After Jaden got back to his residence, he immediately went and took a shower. After that, he waited for his evening meal, while thinking about what he could upgrade.

But it seemed that he could not get anything that he could upgrade, that would utilize the potential of the technology upgrade card to the maximum limit. So, in the end, Jaden could only keep the card with him, making sure that he moved around with it always.

He could not risk leaving it behind. After all, who could guarantee that a maid that would be cleaning his room would not end up mistaking that card as useless, and throwing it away? If it was actually thrown away just like that, Jaden would definitely cry tears of blood.

Additionally, by carrying it around, despite increasing the chances of it getting lost by accident, at least, in case of an emergency, he could use it.

….

Friday, one week ever since Jaden started his job as Scarlet's bodyguard…