You just figured out your parents adopted you and you're actually a Kryptonian the same day you realize your one you also achieve high Kryptonian Power status relative to your age
(30+ Males= Silver Age Superman)
(18-20 Males=New-52 Superman)
(10-17 Males=New 52 Superboy)
(18-20 Females=Pre 52 Powergirl)
(10-17 Females=Pre 52 Supergirl)
with you're new found powers you decide you want to use them however after one week (you know this) you're powers will be gone and everything that happened that week will be wiped away from every bodies memories (tech storage about what happened that week will also be deleted) except yours.