Thank you in advance! I would like to read a shoujo manga that...

... is at least 5 volumes long.
... has at least half the manga dedicated to the main couple after they get together.
... has at least half the manga translated and available in English.
... if not complete, has more translations forthcoming, i.e. it is not an abandoned project.

These are many requirements, but I hope people can offer suggestions that suit them all.

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असतो मा सद्गमय
तमसो मा ज्योतिर् गमय
मृत्योर् मा अमृतं गमय
ॐ शांति शांति शांति

Very grateful to you, luxia, thank you.

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असतो मा सद्गमय
तमसो मा ज्योतिर् गमय
मृत्योर् मा अमृतं गमय
ॐ शांति शांति शांति

Mars would probably fit.
Great read. :3

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Hrodulf and Bjornolfr, you will not be forgotten.

And if the world were black and white,
you would be my rainbow in shades of grey.

Click 'n Play!

If I had a fantasy self, it'd be a tentacle monster.

doubt!!
Lovely Complex
Hana Yori Dango
Happy Hustle High
Midnight Secretary
W Juliet
Wild Act

i have also been looking for manga with your criteria - hope it helps. Im also yet again searching for a good manga with a juicy, well-developed plot. there are very few manga's that are short yet good.

Thank you to Whatever, pinkdreamer and NightSwan. I thought I had read a lot of shoujo but it seems there's still a lot I haven't read! This is great news. @pinkdreamer, I agree that longer series are almost always better. I hope you'll find more like those to read in this thread.

________________
असतो मा सद्गमय
तमसो मा ज्योतिर् गमय
मृत्योर् मा अमृतं गमय
ॐ शांति शांति शांति