My System Only Gives Suicidal Quests

Transmigrated to the perilous Rocks Pirates era, Shirahane is a powerful swordsman trapped on the world's most terrifying crew. His only dream? A quiet, salted fish retirement. But survival means hiding his strength amidst future legends like Whitebeard and Big Mom. Then, a System finally appears, three years late! Worse, its first \"compensation\" quest is suicidal: forcefully kiss Charlotte Linlin for an Undying and Inextinguishable buff. Against all sanity, he completes the mission, leaving the monstrous future Yonko stunned and the entire crew speechless. Now immortal, his simple retirement dreams are shattered, but his troubles are just beginning on a ship full of furious legends.