Yoshikazu is the main antagonist of Kichikujima and it’s prequel Zoumotsujima debuting in the first Volume of the former. He grew up in the Island with his mother Otoki where he worshipped Zanta Maria and her magic. Soon growing up he would soon meet his future wife Mariko Glaccias who was an agent of the Vatican and together they had two children Mari and Kaoru. Yoshikazu was also good friends with Satoshi Isa and Hanakuro the mayor until he discoved a magic stone named Hitomi. Hitomi and Zanta Maria empowered Yoshikazu and his family which they rule the island and later on meets Alice who Kaoru grew fond of due to her resemblance of his mother. After Mariko’s return they would soon have three more children Anna,Kanna,and Satoru and revive Otoki. Years later where Mari and Kaoru are teenagers yoshikazu plans on making the child of perdiction but Uehara gave birth to it thanks to Higashiyama and later reconnects with his wife mariko to make it using Mari and her crush Takahisa and kaoru with his crush Ami. However things get complcated with hitomi invovled.