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Oniichan, Sekai de Ichiban Shiawase ni Shitageru ne
お兄ちゃん、世界で一番幸せにしたげるねっ
A young girl dotes on her older brother, showering him with affection and care. She believes that making him the happiest person in the world is her mission, and she pursues this goal with unwavering devotion. Their bond is close, but her feelings go beyond sibling love, leading to intimate and taboo situations.
As their relationship deepens, the brother finds himself caught between societal norms and the intense emotions his sister expresses. Each chapter explores a different scenario where their connection is tested, blending moments of tenderness with explicit encounters. The story delves into the complexities of forbidden love and the lengths one will go to for happiness.
