Ostensibly, Hiro kept a low profile for the coming days while the Paranormal Society was in riot.
Other than applying for an early graduation certificate from school and waiting for the specified exams, most of his time was spent on improving Sitri's character in the most recent game.
After all, he decided to shift his operations from this world to the Demon Realm for the next few years.
In order to do that, Hiro doubled back on his suspicions from early on—the possibility of purchasing an awakening potion from the system shop.
There was indeed such a possibility, but the potion was rather expensive—200 gems per potion, and he would only awaken as a Tier-9, even if the demonic energy was the purest kind.
With the 80% voucher, Hiro only needed to pay 40 gems, which was affordable at the moment.