From Renta!:

Asahi Sakuraba's wife leaves him because he's too "bland and boring." But Kaito Ayabe, the chef at Asahi's beloved restaurant, praises being "ordinary." As Asahi frequents the restaurant, a friendship starts to bud between the two, until Kaito realizes that there's an unbridgeable gulf between them. When Kaito reveals his closely-guarded secret life as a cross-dresser, will it be the end of their relationship?