Favorite Fakku Couple?

All of us enjoy the sexual shenanigans in eromanga,
but the sex is even more enjoyable if the participants
have a great relationship. Then we want to see more!

Who's your favorite Fakku couple? In order to narrow
things down, we will define "couple" as a relationship
between a boy and a girl, or a man and a woman.

My favorite Fakku couple is:

Koorimachi and Naeshiro
(from Melancholy of Koorimachi Wakana and
Koorimachi Wakana's Advance, by TANABE)
Koorimachi is a sober, self-conscious introvert, and Naeshiro is a
cheerful, uninhibited extrovert. They're polar opposites, yet they
complement each other perfectly. Koorimachi reluctantly allows
herself to be drawn into Naeshiro's risky sexual adventures, but
she usually has a lot of fun in spite of herself, which makes the
occasion even more exciting for both of them.

Here are some runners-up (in no particular order):

Mizoguchi and Sakuma
(from The Same Old Commute - Part 1 and Part 2, by Dagashi)
Mizoguchi is a repressed, virginal Office Lady, but her subordinate
Sakuma is a horny rogue who awakens the lusty beast that's been
slumbering inside her.

Kudou and Takigami
(from Next to Youth, by Namboku)
In this darkly funny tale, Kudou and Takigama are a pair of
extreme perverts who find themselves irresistibly attracted
to each other for entirely selfish reasons.

Nishi and Kaneko
(from Sexual Relief Alliance, by Hatimoto)
Nishi and Kaneko instantly and nonchalantly accept each
other as fellow perverts.

Hanako and Ichitaro
(from Quiet in the Library, by Kinoshita Yuichi)
Hanako and Ichitaro love to get each other off in public.

Yuki and Dad
(from Together with Dad, by yumoteliuce)
In this sweet, subversive chapter, Yuki and her father
display a loving and comfortable sexual relationship.
They're like a happily-married couple who have been
together for years and know exactly how to please
each other. Incest at its best.

Full disclosure:
I have a weakness for chapters involving a pair of perverts.
After all, there's nothing sweeter than finding a fuck buddy
who's just as perverted as you are.

Jacob and the server