Greek Mythology: I open a treasure chest at Olympus - Chapter 18: Athenas voice

I originally thought this was a world like an ordinary urban novel…Drawing comics by myself, traveling is pretty good.
But tell me, what happened to this magician called “Emiya Kiritsugu” who jumped on my face?
Who changed the settings?
Currently involved in the content of “F/Z”, “F/SN”, “Fantasy Carnival”, “The Emiya’s Meal”, “The Holy Grail of the Imperial Capital”, “FLA”, “Elmello II Event Book”, “FGO”, “FE”, etc.
Others related to “JOJO’s Bizarre Adventure”, “Rebellious Lelouch”, “Persona 5”, “Attack on Giant”, “Death”
“FGO”, “FE Series”, “FA”, “FSF”, “Cangyin”, “Magical Girl Illya” will be involved next…

- Description from novelbuddy

【Premium School Beauty Story + Dog Food Story + Refreshingly Unconventional】Introduction:To complete a ten-minute system check-in task, Gu Yu boldly entered the Student Affairs Office and awkwardly confessed his love to the school beauty to stall for time...The next day, after scoring numerous rebounds, Gu Yu took shelter from the rain on the basketball court when the school beauty actually came to pick him up personally!When faced with everyone's questions, the aloof school beauty just smiled slightly: I'm here to pick up my boyfriend!Everyone exploded on the spot: Sss—The new Skateboard King is actually together with the school beauty!Many, many years later, Gu Yu, looking at the adorable and clingy twins in his arms, reflected: I remember the script I had imagined wasn't like this...

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.

When I became a rich young master, I had to enjoy it.