Rebirth: Don't Feel Inferior When You Are Young and Have Great Achievements!

"If I don't feel inferior to myself when I'm young~" After falling asleep while listening to the song, I traveled through time. I have a beautiful sister who loves me very much. And the mother whose life or death is uncertain after disappearing. Ahem, as a good boy, it's okay to honor your sister, right? Is it okay to find your missing mother and honor her? One day... Filial piety deteriorated. Ahem... I just want an ordinary, ordinary daily life. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.