Abnorlove - Fuufu de Abnormal Love Shimasen ka?

No matter how lovey-dovey you start, you'll gradually get stuck in a rut. But if you incorporate abnormal love acts into your daily life, you'll have marital and sexual happiness!? Filming first-person porn, certain hotels, cosplay, and so on... This is a married-couple romantic comedy full of real abnormal information(!!) you can start using tomorrow(?)

(Source: Kodansha, translated)