A - Avatar The Last Airbender
B - Black Butler (Kuroshitsuji)
C - Code Geass
D - Death Note
E - ef: a tale of melodies (the first season is called a tale of memories but I liked the 2nd better)
F - Free!
G - Getbackers
H - Haikyuu!
I - Isshukan Friends
J - Junjo Romantica
K - Katekyo hitman Reborn
L - Ling Qi (Spiritpact)
M - Miraculous: Tales of Ladybug and Cat Noir
N - Nodame Cantabile
O - Ouran High school host club
P - Psycho Pass
Q - Quanzhi Gaoushou (The king's avatar)
R - Re:Zero kara Hajimeru Isekai Seikatsu
S - Shingeki no Kyojin(Attack on Titan)
T - To aru kagaku no railgun(A certain scientific railgun)
U - Umineko no naku koro ni (When the seagulls cry)
V - Voltron Legendary defender (Though I didn't watch past season 2,lol)
W - We Still Don't Know the Name of the Flower We Saw That Day.
X - X-Men: The Animated Series
Y - Yuri on ice!!!
Z - Zankyou no terror.