KANJI GUIDE
A wave. 波乱 is upheaval; 電波 is a radio wave.
The capital, and any big city. 東京都 is the Tokyo Metropolis; 都合 is how your circumstances stand.
Jasmine, in 茉莉花. Chosen for names almost entirely for how it looks and sounds.
Lasting a long time. 久しぶり is what you say when you have not seen someone for a while.