Who confessed first?

Hitoshi did

How did they confess?

He said it while they were watching a scary movie

Nicknames for each other

Hitoshi: Ghosty, Beauty, Princess, Rei 

Reiko: Hito, Shin, Soshi, Eye-Bags, Zombie

kids and kids names?

I have yet to decide on this

What do they like most about each other? (Looks)

They love each others hair

How did their parents react?

Well Aizawa liked her 

Her parents weren't sure. Boo and I share a headcanon that Shinya is her big brother, so he he likes Shinso. But still spoke to him about what he can and can't do to his sister.

Okay that's all! Please request more questions! I beg of you!!!