Checklist

Season 1:
Cagayake GIRLS (Done by Kurai801)
Don’t Say Lazy (Done by Kurai801)
Happy Sorry
Sweet Bitter Beauty Song (Done by Featherine)
Let’s Go (Done by Kurai801)
Maddy Candy
Hell the World
Fude Pen Boru Pen (Done by Kurai801)
My Love is a Stapler (Done by Kurai801)
Fuwa Fuwa Time (Kurai801 is working on it)
Curry Nochi Rice (Done by Kurai801 and it loops)
Giita ni Kubittake
Heart Goes Boom (Kurai801 is working on it)
Hello Little Girl
Girly Storm Shissou Stick
Mezase Hapii 100%
Dear My Keys ~Kenban no Mahou~
Humming Bird
Ja Ja Uma Way To Go (Featherine is working on it)
Watashi no Watashi No Michi o Iku
Lovely Sister LOVE
Oui! Aikotoba
Cooly Hotty Tension Hi (Done by Featherine)
Puroroogu
Tsubasa wo Kudasai (Done by Kurai801)

Season 2:
Go Go Maniac (Done by Kurai801 and Featherine)
Utauyo Miracle (Kurai801 might do this later)
Listen!! (Done by Kurai801)
No Thank You (Done by Kurai801)
Genius…!? (Kurai801 is working on it, done by Featherine)
Kira Kira days
Our Magic
Girls In Wonderland
Love
Genom
Pure Pure Heart (Done by Kurai801)
Sakuragaoka Girls' High School Anthem (Rock Ver.)
U&I (Done by Kurai801 and Featherine)

OST season 1:
Have Some Tea (Done by Kurai801)
Morning Dew (Done by Kurai801
Isoge wa Isoge!(Done by Kurai801)
Kawaii Inbou (Done by Kurai801)
Hiki no Koneko(Done by Kurai801)
Ii Yumemite Ne (Done by Kurai801)
Cotton Candy(Done by Kurai801)
Virtual Love(Done by Kurai801)
Tanpopo Takkyuubin(Done by Kurai801)
Ukkari-kun no tame ni(Done by Kurai801)
Genki! (Done by Kurai801)
Obaa-chan no Tansu(Done by Kurai801)
The Other Side of the Evening Sun(Done by Kurai801)
Dead soldiers(Done by Kurai801)
Hold Onto Your Love(Done by Kurai801)
Falling reinforced concrete(Done by Kurai801)
Small Flashing(Done by Kurai801)
Kendama-kun(Done by Kurai801)
Kauri Joudan(Done by Kurai801)
Crepe wa Ikada(Done by Kurai801)
Happy Languidness(Done by Kurai801)
Emerald Green(Done by Kurai801)
My Hometown Where it Snows(Done by Kurai801)
Ginsekai No Asa(Done by Kurai801)
Tea at the Night of Cristmas(Done by Kurai801)
Koneko no Ensou Kai (Done by Featherine)(Done by Kurai801)
Patroll of Stroll(Done by Kurai801)
Doki Doki Firday Night(Done by Kurai801)
Ringo Ringo Ringo Ame(Done by Kurai801)
15sai no March(Done by Kurai801)
Jaja Uma 3nin Musume(Done by Kurai801)
Hesitation (Done by Kurai801)
Pinch daisuki(Done by Kurai801)
Dress ni Crepe wa Naiwa(Done by Kurai801)
Ano hi no Yume(Done by Kurai801)
Happy End(Done by Kurai801)

OST season 2:
One more tea?
Asahi wo Abite
Futari no Sekai
Dance of Pickled Scallion
Temptation With Rain
Tostada
Kyoto no Asa
Dragon God
Hamster no Dance
Ano hi no Kaerimichi
Tamamushi no Zushi to Sankaku Jougi
Digital Fancy Doll
Gatten da!
Tea With You
Reason That Doesn't Develop
Cherry's Feelings
Worry of Cherry
Happy Rainy Day
Ame Furi
Usagi to Kame
-I'll do this whole OST one day-

Other:
Satsugai (Done by Featherine)

I think that's all of them. If I'm missing any official songs/remixes you did post below and I'll edit the list.

My ost is Koneko No Ensou Kai

FeatherineAurora wrote:My ost is Koneko No Ensou Kai

Ok added.

Coolly Hotty Tension Hi!! Coming right up!
Might add more instruments though.