Since 2001 or 2002 I collected Manga and this list is the result [200+ x Manga]:

One Shot

~Cruel Fairytales- Kaori Yuki
~Luxus- Judith Park (Chibi)
~Mangazeichenkurs- Akira Toriyama/ Akira Sakuma
~Strange Stories- Yumeka Sumomo
~Skydreamsong- Yuana Kazumi
~Voices of a distant star- Makoto Shinkai/ Mizu Sahara

complete

~Alice 19th [7 volumes]- Yuu Watase
~A million Teardrops [2 volumes]- Yuana Kazumi
~Ayashi no Ceres [14 volumes]- Yuu Watase
~Detektiv Loki [7 volumes]- Sakura Kinoshita
~Detektiv Loki Raknarok [5 volumes]- Sakura Kinoshita
~Flower of the deep sleep [2 volumes]- Yuana Kazumi
~Fullmoon wo sagashite [7 volumes]- Arina Tanemura
~Kamikaze Kaito Jeanne [7 volumes]-Arina Tanemura
~Mermaid Melody Pichi Pichi Pitch [7 volumes]- Pink Hanamori
~Shinshi Doumei Cross [11 volumes]- Arina Tanemura [with both special editions)

not complete

~Beyond the Beyond/ Futabas (höchst) seltsame Reise [up to volume 2]- Yoshitimo Watanabe
~Chrome Breaker [up to volume 3 now]- Chako Abeno
~The way of Sun and wind// Der Weg von Sonne und Wind [ volume 1-3]- Kumichi Yoshizuki/ Norie Yamada
~Fruits Basket [up to volume 17 now]- Natsuki Takaya
~Fuyumi Soryo short stories [up to volume 2 now]- Fuyumi Soryo
~Get Backers [up to volume 3 now+ 10,11,13]- Rando Ayamine + Yuya Aoiki
~Kaito Kid [up to volume 4 now] -Gosho Aoyama
~Lagoon Engine [up to volume 3 now]- Yukiru Sukisaki
~Loveless [up to volume 8 now]- Yun Kouga
~Oh! My Goddess [up to volume 31 now]- Kosuke Fujishima
~Skip Beat! [up to volume 13 now]- Yoshiki Nakamura

>special< Manga/ Artbooks

~Das vergessene Lied der Hexe- Arina Tanemura (Fairytale from Shinshi Doumei Cross)
~Fullmoon Collection (Japanese edition…)- Arina Tanemura
~Fruits basket [Band 23] (Japanese edition)- Natsuki Takaya
~Kamikaze Kaito Jeanne Artbook- Arina Tanemura
~Miyuki-chan in Wonderland- CLAMP
~One Piece (Color Walk)- Eiichi Oda

collection break

~BANZAI! (magazine which isn’t published anymore)[8- ...]
~Case closed// Detektiv Conan [volume 16]- Gosho Aoyama (Kaito Kids first appearance *purr*)
~Case closed// Detektiv Conan Short stories [volume 1]- Gosho Aoyama
~Dragonball [volume 1 and 33-42]- Akira Toriyama
~Sailor Moon [volume 3]- Naoko Takeuchi
~Tenji Tenge [volume 1]- oh!great