佐々木とピーちゃん 5 裏切り、謀略、クーデター! 異世界では王家の跡目争いが大決着 ~現代は待望の日常回、ただし、ハードモードの模様~

[DeepL Translation - needs review] Volume 1 Introduction: A cute little paper bird purchased at a pet store turns out to be a renowned sage reincarnated from another world. Given the opportunity to transcend worlds and the power of powerful magic, Sasaki brings modern goods to another world and begins a business. While traveling back and forth between worlds - earning money, training in magic, and eating delicious food - he aims to lead a leisurely and comfortable slow life, but one day on h...