Two people with high sex drives marry because of their sexual compatability. And even though their relationship was originally based on their sexual needs, they do a pretty good job of communicating to each other their feelings. From sex friends (who are married) to lovers, the character and relationship growth in this series is *chefs kiss*
[chpt 33 on got me reconsidering everything about their character growths, like wtf]
Chpt 40 - fin
Otto ni Koi Shicha Dame desuka