Can a Net-Savvy Fan Cosplaying as Dostoevsky Really Become a Genius and an Idiot?

Recently, a certain bald shut-in's junior disciple, an avid internet surfer, decides to cosplay Fyodor Mikhailovich Dostoevsky from the obscure manga Bungo X Dog at a convention, but breaks through the dimensional barrier along the way.

Avid internet surfer: ...Anyway, first I need to find a time machine.

A certain Dazai, who just finished swimming and planned to buy some hot coffee from a vending machine, sees someone's head stuck inside it: ...?

***How to enjoy this story***

I'm here, and I've brought a new story! (Striding out with confidence and strength.)

Theme: Spending time online has its pros and cons.