In Tokyo, Taro Sakamoto lives a peaceful life as a shop owner, having left behind his infamous past as the world's greatest hitman. Enemies feared him & fellow hitmen revered him. But love changed everything. After meeting Aoi, Sakamoto retired, got married, & became a loving father, trading his deadly skills for domestic bliss. However, the shadows of his past refuse to stay buried as a billion-dollar bounty on his head forces him back into the deadly game to protect his family while upholding his vow: no more killing. Enter Nana Osaki, Sakamoto's 21-year-old cousin. Longing for an ordinary life, Nana is thrust into a whirlwind of danger when she decides to help her cousin uncover the truth behind the bounty. Trained by her late legendary assassin-parents, she became a formidable ally for her cousin. Her life takes an unexpected turn when Yoichi Nagumo, Sakamoto's best friend and former colleague, reappears. Known for his carefree demeanor and deadly precision, Nagumo is a master hitman who was once Nana's childhood crush. Seeing him again stirs long-buried feelings as they join forces to protect Sakamoto, their connection reignites into a powerful romance. Together they navigate a perilous world filled with relentless hitmen & high-stakes danger, balancing intense action with heartfelt romance. Will they uncover the truth behind the bounty & secure their family's safety? Will their love survive the trials of their deadly world?

This is the story of how you met Ren Kaji, and this is the story of how you fell in love. It has action.. the good kind and the bad. Romance and a whole ride of emotions. Aiming for 30 chapters in total.