Sons, come and make your mother! (The sons vying for their mother's affections) NITR-011

I have three older brothers who are not related to me by blood. They are the sons of my mother's second husband. Their real mother passed away a long time ago, and the three of them were raised by their father alone. Unexpectedly, one day their stepfather also fell ill due to overwork, and at this time, the three brothers began a vicious struggle to seize their mother's love...