Secretly, I've Been Suffering About Being Sexless(2018)

Jitsu wa Watashi Sexless de Nayandemashita

Married life isn't all lovey-dovey, or ooh-la-la steamy--not when you and your partner have opposing sex drives. When a married woman with a raging libido can't find the satisfaction she needs from her tame, lackluster husband, she's left with no choice but to get her fix elsewhere...

(Source: Yen Press)

Note: Includes the epilogue.