I gave much time to collect his work. But these are incomplete. What a huge pity!
UDON-YA's HP :http://udonya-18.com/100/

doujinshi list :

BLACK99% (Fate hollow ataraxia).zip

BLACK×GOLD (Fate hollow ataraxia).zip

SWEETISH FELLOW (Fate).zip

√Zero. (Fate Zero).zip

Udonko vol.1 CM70 omake hon (multiple).zip----------------->うどんこ CM70オマケ本 (よろず.zip

Udonko vol.3 CM72 omake hon (monster hunter).zip----------------->うどんこ vol.3 CM72オマケ本(モンスターハンター.zip

Udonko vol.4 CM73 omake hon (fate & monster hunter).zip----------------->うどんこ vol.4 ComicMarket73 UDON-YA.zip

Inasmuch as it's my job (fate hollow ataraxia).zip----------------->お仕事ですからっ！ (fate hollow ataraxia).zip

Sawayaka4koma intyuukun sylloge plus alpha (Fate hollow ataraxia).zip----------------->さわやか4コマ いんちゅうくん総集編＋α (Fate hollow ataraxia).zip

Mohan no erohon 1 (monster hunter).zip----------------->もんはんのえろほん1 (モンスターハンター.zip

Mohan no erohon 2 dos (monster hunter).zip----------------->もんはんのえろほん2 dos (モンスターハンター.zip

Mohan no erohon 3 (monster hunter).zip----------------->もんはんのえろほん3 (モンスターハンター.zip

With master (Fate Zero).zip----------------->マスターと一緒 (Fate Zero).zip

Only today (Fate).zip----------------->今日だけですよ？(Fate).zip

Resipiscence kedamono (Fate hollow ataraxia).zip----------------->悔い改めなさいケダモノ (Fate hollow ataraxia).zip

Teach us,Saber Sister (Fate hollow ataraxia).zip----------------->教えて！セイバーお姉さん (Fate hollow ataraxia).zip

The breasts of Suzumiya Haruhi (Suzumiya Haruhi No Yuuutsu).zip----------------->涼宮ハルヒのおっぱいおっぱい！ (涼宮ハルヒの憂鬱.zip        

Nekomimi with nudity epu Rin (Fate stay night).zip----------------->猫耳裸えぷりん (Fate stay night).zip

Dame duesa. (Fate hollow ataraxia).zip----------------->駄メデューサ。 (Fate hollow ataraxia).zip


Books Feature To : Fate series, Suzumiya Haruhi No Yuuutsu, monster hunter, multiple.
PS :
I'll upload UDON-YA's seinencomic later.
Have a nice day!