Mori won the Japan Essayist Club Award in 1957 for a collection of essays called My Father's Hat.

She began a movement of writing about male homosexual passion (tanbi shousetsu, literally "aesthetic novels") in 1961 with A Lovers' Forest, 恋人たちの森 (koibito tachi no mori), which won the Tamura Toshiko Prize.

The older man is extremely rich, powerful, wise, and spoils the younger boy.

Paulo is extraordinarily beautiful, prone to lounge lazily, and has a lack of willpower in all but the field of his pleasure.

In 1975 her novel The Room Filled with Sweet Honey (甘い蜜の部屋, Amai Mitsu no Heya) won the 3rd Izumi Kyōka Prize for Literature.