Ane No Koto Ga Sukina Hitto Majutsu Shi Sama Ni Migawari De Totsuidara, Naze Ka Watashi Ga Dekiai Saremashita!? Muno Reijo Ha Kuni Ichiban No Kekkai Majutsu Shi Ni Kaika Suru (M Novels) [Light Novel]

[Machine Translation] Thetis, a countess, has been compared to her superior older sister and treated as incompetent by her family. One day, she receives a proposal of engagement from Noah Savoid, the most famous magician in the country. Why would she do this to herself, an inconspicuous person? She wonders, "Noah loves me, but I have a fiancee, so he can't marry me. She tells him cruelly, "Master Noah likes me, but I have a fiancee, so you'll have to comfort her at your leisure. She marries into the Savoyd family, but what awaits her there is the best of hospitality and Noah's overflowing doting love...? A love story of a dedicated hero and a doting duke from "Novelist Naro"!

伯爵令嬢のテティスは優秀な姉と比べられ、家族から無能扱いされてきた。そんなテティスにある日、国一番の魔術師と名高いノア・サヴォイドから婚約の申し込みが届く。なぜ目立たない存在の自分に?と訝しんでいると、姉から「ノア様は私のことが好きだけど、私には婚約者がいて叶わないの。せいぜい慰めてあげなさいな」と残酷な一言を告げられる。憂鬱な気持ちでサヴォイド家に嫁ぐと、そこで待っていたのは最上級の歓待とノアからの溢れんばかりの溺愛で...!?小説家になろう発、ひたむきな主人公と溺愛系公爵様のラブストーリー!