Hello~ We're so glad you enjoyed the small sample we offered!
Kazuo and Daisuke are Kalie's OCs and I really like Kazuo's personality too. It's fun to write his character! Also, as Kou's creator, I'm really glad you're interested in his route!
Thank you so much for taking the time to leave some feedback and for playing through the demo! We hope you'll enjoy the whole story when it's ready too!