In order to create cola and the sulfa Drug Senky needed to create carbonated water via a laborious bamboo construction to the river. How this structure works and how it makes carbonated water?

It's a cliche kind story so cant really tell much. It's this girl who wants to become famous as actress and singer and had a manager who have feelings for her. And there is this rich intimidating guy who the girl works under his company. The guy is a playboy and dislike the girl but then become o...

I wanted to know if this version of the my hero academia main theme is released or if i can find it somewhere. It plays in Season 2 Episode 8 around the end. Thanks so much :D