Oshi no haha (yotei) ni tensei shitanode,-ko-tsukuri shitai to omoimasu (Associated Names)

Princess Justina finds herself reincarnated as the mother of the main hero of a novel she had read in a previous life. She immediately tries to have a child, but since she’s in an unwanted marriage, she is constantly avoided even by her husband. If he avoids me, I’ll give chase! Don’t underestimate my love…