+ Four Times Ryo Steals Shige’s Thunder (and One Time Shige Doesn’t Mind So Much) (http://peroxide-fic.livejournal.com/168743.html) by peroxide_fic, PG-13.
+ An Alleviation of Stress (http://lethes-oblivion.livejournal.com/38912.html) by lethes_oblivion, NC-17.

and the ones that aren't for me, by you, or already on your list:

+ Clockmaker (http://koyatego7.livejournal.com/9088.html) by koyatego7, PG.
+ But I'll Break Before I Bend (http://community.livejournal.com/je_holiday/11828.html) by bloodybrilliant, PG-13.
+ Stress Relief (http://getnakedplzkthx.livejournal.com/25401.html) by getnakedplzkthx, .
+ Opposite (http://yey-yey.livejournal.com/14529.html#cutid2) by yey_yey, .
+ House Rules (http://utagaki.livejournal.com/6263.html) by utagaki. + Shige/Koyama . AU. (Sequel: Worth the Wait (http://utagaki.livejournal.com/6930.html))

why yes i did just copy straight from my recs post >.> i am lazy.

honorary mention for pero's non-smoking series (http://peroxide-fic.livejournal.com/tag/non-smoking+series), for obvious reasons.