Oshi (Uso) no Hittou Majutsu-shi-sama ga "Oretachi, Ryou Omoi Dattan da ne" to Dekiai Shitekurun desu ga?!推し（噓）の筆頭魔術師様が「俺たち、両思いだったんだね」と溺愛してくるんですが！？; 推し(嘘)の筆頭魔術師様が「俺たち、両思いだったんだね」と溺愛してくるんですが!?; Oshi (Uso) no Hittou Majutsushi-sama ga "Oretachi, Ryou Omoi Dattan da ne" to Dekiai Shitekurun desu ga!?; A Lie May One Day Become the Truth!; The Magician I Am a Fan of (That's a Lie) Is Doting on Me and Saying "So We Were Both in Love with Each Other?"

Born into a poor baron family, she had only one goalto marry a wealthy man and save her sick younger brother. To achieve this, she decided to blend into noble society and avoid standing out. In a world where fan clubs were a popular trend among nobles, she followed suit and falsely claimed to be a devoted admirer of the Grand Sorcerer of the Kingdom, despite having no real interest in him. But then, something completely unexpected happenedthe Grand Sorcerer himself proposed to her! And the strangest part? He had known from the very beginning that she didnt truly love him yet he insisted on marrying her anyway! Thus begins a complicated game of pretense, unexpected emotions, and an overwhelming love that cant be avoided! A romantic comedy filled with misunderstandings and hilarious situations, where one small lie leads to an unexpectedly real marriage!