Gu! Saint Auxiliary Is Not for Falling in Love

Lin Fan, an ordinary high school student, was reincarnated into a different world of swords and magic due to an accident, and became a beautiful blonde girl named Lina Astoria. He thought it was a dream start for the noble daughter, but reality gave him a heavy blow! Before they had time to enjoy life, the family's "hell mode" was activated: their father died in the war, their mother disappeared, and their only sister Luna was suffering from a strange disease and her life was hanging on by a thread. Lina not only has to face the astronomical huge debt left by her family, but also has to deal with a group of "suitors" with strange styles. The cold and arrogant Imperial Duchess Isabel cannot help but want to "hide her in the golden house"; the seemingly stable and reliable former family housekeeper Serafina always wants to "elope" with her; the violent and arrogant knight preparatory student Freya in the academy wants to take her away if they disagree with her... "Stop it! I just want to live a peaceful life with my sister!" When forced into a desperate situation, Lina accidentally activated the [Saint's Assistance System]! Although I have no power to bind a chicken, I can still apply god-level buffs to my teammates! In order to make money to treat her sister's illness, Lina, the good-for-nothing eldest daughter, decided to become a "auxiliary" adventurer. When her teammates were invincible with the blessing of her buff, the eyes they looked at Lina became increasingly fiery and abnormal... This is a romantic comedy story about a protagonist who was a bit of a loser in the early stage. In order to protect his loved ones, he starts from scratch step by step and grows into the world's strongest assistant in the ridiculous Shura field!