Chin Shiko

Synopsis

★☆★ Limited Edition with Voice Available★☆★

Includes Digital Artbook + 15 System Voices!

・Yumi & Yuma’s Secret Allowance Diary (Digital Artbook)

・Yumi and Yuma System Voices – 15 Types Total

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The protagonist, an overworked salaryman nicknamed “Big Brother,” works at a black company. One day, his selfish twin younger sisters, Yumi and Yuma, start pestering him for allowance money. Unable to take it anymore, he scolds them with the phrase “no work, no food.” However, the sisters interpret his words in their favor and devise a secret plan to extract both money and semen from their big brother through “naughty favors.” What will become of Big Brother’s wallet and balls…?