As some would know, the je_holiday fic exchange have finished posting this years stories (author reveals are due Jan 6) - and there are a number of KoyaShige fics in the exchange this year. So to encourage all members of this community to read the fics and hopefully leave plenty of comments to inspire more KoyaShige fic, here are a list of the fics and their ratings.
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You can't always get what you want
These Words are My Own, from My Heart
A Love For All Seasons
The Pay is Bad but the Benefits are Great
Listed as: Ryo/Koyama/Shige with a side order of TegoMass