Tenma’s father has called Oto to discuss why she and Tenma ended their engagement. Even though it was Tenma’s dead mother who proposed the idea when the two were children, Mr. Hase considered the termination a breach of good faith. Though it hurts her to say it in front of Tenma, who still has feelings for her, Oto confesses that she’s in love with another…
— Description from Comic Vine community (comicvine.gamespot.com).
