Reasons why she would make a good waifu in my area:
1. She has a ghetto background. Nico isn't very well of and has to scrimp down on finances while she helps her mother with housework. This is analogous to the state of my country, which is still developing
2. She's a bit of an attention seeker and bratty. A lot of teen girls here tend to be a bit like that
3. She's petite, has Delicious Flat Chest (DFC) and a cute ass. This is also similar to girls here as they tend to be pretty but not well endowed.
4. Finally, under all that brattiness and attention seeking, Nico is actually pretty conservative and home oriented. She takes care of her younger siblings while also helping her mom. This type of behaviour would mesh well with this culture