Question 1

Where is Sun Drug Tachikawa?

Accepted Answer

Sun Drug Tachikawa is in Tachikawa, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of I Made Friends with the Second Prettiest Girl in My Class does Sun Drug Tachikawa appear in?

Accepted Answer

Sun Drug Tachikawa appears in EP7 of I Made Friends with the Second Prettiest Girl in My Class.

Question 3

Can I visit Sun Drug Tachikawa?

Accepted Answer

Yes. Sun Drug Tachikawa is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was I Made Friends with the Second Prettiest Girl in My Class filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Sun Drug Tachikawa is one of those real places (EP7).