ヤンデレとメンヘラ〜ヤンデレ義姉とメンヘラ義妹が突然出来たけど日々辛いです〜

'Yandere and Menhera – Suddenly Having a Yandere Older Stepsister and a Menhera Younger Stepsister Makes Every Day Difficult' is a captivating Japanese web novel that follows the protagonist's unexpected journey with a yandere older sister and a mentally unstable younger sister-in-law. Experience the protagonist's growth as they learn to navigate the challenges posed by these unique siblings, ultimately finding love and understanding in their yandere and mentally unstable characteristics. Delve into a narrative rich in action, adventure, comedy, ecchi, fantasy, and harem elements, while exploring themes such as brother complex, manipulative characters, obsessive love, and the complexities of non-biological sibling relationships.