THE MUSIC! 

just check it out yourself I got nothing to say atp: 

https://www.youtube.com/watch?v=dvo_WPev6EQ

The story is just beautiful, GORGEOUS art and animation, amazing strategy based gameplay and GACHA.

i rest my case. 

oh and their creator also made Angel Beats and Clannad

yes THE CLANNAD.

and also just look at themmmmm