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When do they give rings to each other?
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I've read it whole, still didn't find. It's not there even in occupation to beloved. Not even in Sora to Hara but I'll re-read it. I guess some chapters are missing, coz in blanc there's a mention of Rihito going to family register for their marriage and that causing him insecurity and also one of the reasons for their fight there.
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https://myreadingmanga.info/nakamura-asumiko-occupation-beloved-eng/#
I think this one is it ¯_(ツ)_/¯
Hoyoung isn't as saintly as he acts