Top Romance/Fantasy/Supernatural Anime

Clannad - "Toki wo Kizamu Uta" by Lia
Shinsekai Yori - "Yuki ni Saku Hana" by Maria Akizuki
Nagi no Asukara - "lull ~Soshite Bokura wa~" by Ray
Ookami to Koushinryou - "Tabi no Tochuu" by Kiyoura Natsumi
Katanagatari - "Hakushi Kassai Uta Awase" by supercell
Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai. - "Circle Game" by Galileo Galilei
Monogatari Series - "the last day of my adolescence" by Suruga Kanbaru
Little Busters! - "Boys be Smile" by Suzuyu
Akatsuki no Yona - "Akatsuki no Yona" by Kunihiko Ryo
Kamisama Hajimemashita - "Kamisama Hajimemashita" by Hanae
Tasogare Otome x Amnesia - "CHOIR JAIL" by Konomi Suzuki
ef: Tale of Memories. - "euphoric field (Japanese ver.)" by Tenmon feat. ELISA
Kami nomi zo Shiru Sekai - "God only knows -Secrets of the Goddess-" by Oratorio The World God Only Knows
Zetsuen no Tempest - "Boku-tachi no Uta" by Tomohisa Sako
Noragami - "Heart Realize" by Tia
Suzumiya Haruhi no Yuuutsu - "Super Driver" by Aya Hirano
Kobato. - "Magic Number" by Maaya Sakamoto
Akagami no Shirayuki-hime - "Yasashii Kibou" by Saori Hayami
Kokoro Connect - "Kimochi Signal" by Sayuri Horishita
Yamada-kun to 7-nin no Majo - "Kuchizuke Diamond" by WEAVER
Hataraku Maou-sama! - "ZERO!!" by Minami Kuribayashi
Kyoukai no Kanata - "Kyoukai no Kanata" by Minori Chihara
Seto no Hanayome - "Ashita e no Hikari" by Asuka Hinoi
Sankarea - "Esoragoto" by nano.RIPE
Shakugan no Shana - "Light My Fire" by KOTOKO
Soredemo Sekai wa Utsukushii - "BEAUTIFUL WORLD" by Joanna Koike
Inu x Boku SS - "Nirvana" by MUCC
Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka - "Dive" by MAN WITH A MISSION
Zero no Tsukaima - "I SAY YES" by ICHIKO
Maoyuu Maou Yuusha - "Mukai Kaze" by YOHKO

Did not include because it met over the 100+ episodes mark:
Inuyasha