Act 02: Ami Became a Companion　(亜美ちゃんが仲間になったわ　/ Amichan ga Nakama ni Natta wa)

3:02 Passport reads:

PASSPORT - Valid Admission for a Period of One Year - Karaoke Crown

3:58 Book title reads:

LunaKara

5:14 Title of poster:

Second Years' Midterm Examination Results Rankings, Ami can be seen in first
place with perfect scores in (front left to right) Japanese, Mathematics, Science, 
Social Studies and English. Naru is at 15 and Usagi is not listed in the top 20.

5:47 Cram Schools

Cram schools (juku) are widely popular in Asia, particularly in Japan.  They are special
private school that give lessons outside of school. Various levels are available and 
they exist both for people to achieve further and to people who need to catch up.

8:12 Polite Language

Keigo (respectful/polite language) is a term that refers to a system of honorific 
speech in Japanese. This is nearly always used when you are meeting someone for the 
first time. Usagi is wondering why Ami is bothering to do so with a stuffed animal. 
Hence Ami's reply "I didn't know her". 

11:54 Statues

These are called Haniwa. Terracotta clay figures made for ritual use.