It's been a few days since Aiden introduced Amy to Sadie. During these days, Aiden and his sister wandered around the city and enjoyed some sweet moments together, they reduced the frequency of their missions.
Aiden didn't forget to visit Amy every day. Additionally, he noticed that Amy was avoiding Sadie. During their conversations that day, he was even more sure that something was up. Although he was uncomfortable about it, he decided not to say anything since his sister did not complain about it.
Apart from that, he started reading the "summon" book he got from the library. And finally, he finished reading the first book of the series.
Aiden placed the book on the table and lay down on his bed. He was alone as his sister had gone out to meet her friend again.
"Hmm, this book was really informative."
"Even though demons and angels live with us in this world, they actually exist in another dimension."