Question 1

Where is Trianon Koenji Main Store?

Accepted Answer

Trianon Koenji Main Store is in Suginami, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of The Girl I Like Forgot Her Glasses does Trianon Koenji Main Store appear in?

Accepted Answer

Trianon Koenji Main Store appears in EP2 of The Girl I Like Forgot Her Glasses.

Question 3

Can I visit Trianon Koenji Main Store?

Accepted Answer

Yes. Trianon Koenji Main Store is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was The Girl I Like Forgot Her Glasses filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Trianon Koenji Main Store is one of those real places (EP2).