ファーストキスの相手と結婚しなければならない社長令嬢と、目つきが悪くてぼっちの俺のペットボトル1本から始まる初々しい恋愛。 (Associated Names)

“There’s a legend in the world-renowned Yasunomihara family that if you don’t marry your first kiss, you’ll die young.” The protagonist, Yasuda Tadakuni, has trouble making friends and has a menacing look about him. One day, he forgets his partially consumed juice in the classroom. When he returns to retrieve it, he finds Yasunomihara Yuuka,…