Hello everyone,
Please find below a list with the upcoming dramas for the spring season.
Feel free to make any suggestions ;)
--------------------------------DRAMA--------------------------------
March, 17
Samurai Gourmet

March, 19
Hitoya no Toge

March, 20
Love or Not

March, 25
Hokuto

April, 2
PTA Grandpa! (wiki d-addict link)

April, 3 
Hiyokko
Yasuragi no Sato

April, 6
Koi ga Heta demo Ikitemasu
Kono Yo ni Tayasui Shigoto wa Nai

April, 7
Code : M Code Name Mirage
Kodoku no Gurume (season 6) (jdorama link)
Million Yen Woman
Noboru Tachibana Seishun Tebikae (season 2) (jdorama link)

April, 8
4-go Keibi
Hanzai Shokogun (season 1)
Massage Tantei Joe

April, 11
CRISIS

April, 12
Haha ni Naru

April, 13
Hito wa Mita Me ga 100%

April, 14
Bouncer
Reverse
Tsubaki Bunguten

April, 15
Boku, Unmei no Hito desu

April, 17
Aristocrat Detective

April, 18
Anata no Koto wa Sore Hodo

April, 19
3 Papas

April, 20
Kinkyu Torishirabeshitsu (season 2) (jdorama link)

April, 21
Tsuribaka Nisshi (season 2)

April, 23
Chiisana Kyojin
Frankenstein no Koi 
Sakurako-san no Ashimoto ni wa Shitai ga Umaitteiru

April, 30
Joshu Seven
Shacho Shitsu no Fuyu (no link yet)

April, ??
Keishichou Sousa Ikka 9-Gakari (season 12) (wiki d-addict link)
Keishichou Sousa Ikkacho (season 2) (no link yet)

May, 13
Mi o Tsukushi Ryouricho

May, 28
Cross Road (season 2) (wiki d-addict link)

June, 01
Sauce-san no Koi (no link yet)

June, 11
Hanzai Shokogun (season 2)

--------------------------------SPECIALS--------------------------------

March, 23 
Kizuna Hashire Kiseki no Koma

March, 31
Pensees (no link yet)

April, 5
Touga no Hito (no link yet)

April, 12
Hagoku (no link yet)

April, 15
Onna no Kunshou
Chiisana Kyojin is listed here as Small Giant
thank you, i updated the link
thanks for another list, @Max! (:

I'm excited for april 11th to come around... crisis!
Spring is already here yet i havent watched ANY winter dramas... nice!
I've added "Code : M Code Name Mirage", "Million Yen Woman" and "Aristocrat Detective"
Thanks for this and all who have replied!