Finally, I am able to support a Kanon character.
Spoiler:
ARENA 01: Haqua du Lot Herminium
[Shimada Minami]
ARENA 02:
[Hasegawa Kobato] Yui
ARENA 03:
[Fear Kubrick] Kirishima Shōko
ARENA 04: Elucia de Lute Ima
[Honma Meiko]
ARENA 05: Akemi Homura
[Kanzaki H. Aria]
ARENA 06:
[Mine Riko] Himeji Mizuki
ARENA 07:
[Nakagawa Kanon] Irisviel von Einzbern
ARENA 08:
[Suzutsuki Kanade] Konoe <a title="Powered by Text-Enhance" id="_GPLITA_0" style="text-decoration:underline" href="#" in_rurl="http://trkjmp.com/click?v=VVM6MjIwMTc6MzM0OnN1YmFydTo3YzBiNDI4N2QzYj U3NzUxYTk2MGQ1OTljMjVmMzI4ODp6LTEyNDItNTAwOTY6aW50 ZXJuYXRpb25hbHNhaW1vZS5jb206NDI0OTpzbWFsbF9zcXVhcm U">Subaru</a>
ARENA 09:
[Yuzuriha Inori] Gokō Ruri (Kuroneko)
ARENA 10: Victorique de Blois
[Kashiwazaki Sena]
ARENA 11: Aragaki Ayase
[Kasugano Sora]
ARENA 12:
[Haruna] Mikazuki Yozora
ARENA 13:
[Makise Kurisu] Tachibana Kanade
ARENA 14:
[Tōwa Erio] Charlotte Dunois
ARENA 15:
[Gasai Yuno] Iwasawa Masami
ARENA 16:
[Shiomiya Shiori] Sakura Kyōko
ARENA 17: Nakamura Yuri
[Eucliwood Hellscythe]
ARENA 18: Kuroi Mato
[Kōsaka Kirino]
ARENA 19:
[Misaka Kaori, Misaka Shiori] Sonozaki Mion, Sonozaki Shion
ARENA 20: Fujibayashi Kyō
[Ichinose Kotomi]
ARENA 21:
[Nagato Yuki] Suzumiya Haruhi
ARENA 22: Konjiki no Yami
[Ikaros]
ARENA 23:
[Hiiragi Kagami] Kotobuki Tsumugi
ARENA 24: Aisaka Taiga
[Tōsaka Rin]
ARENA 25: Asahina Mikuru
[Holo]
ARENA 26:
[Index L. Prohibitorum] Last Order
ARENA 27: Shirai Kuroko
[Furukawa Nagisa]
ARENA 28:
[Illyasviel von Einzbern] Misaka Mikoto
ARENA 29: Sengoku Nadeko
[Senjōgahara Hitagi]
ARENA 30: Sanzen'in Nagi
[Shiina Mafuyu]
ARENA 31: Nymph
[Sakagami Tomoyo]
ARENA 32:
[Oshino Shinobu] Shana
ARENA 33:
[Louise Vallière] Akiyama Mio
ARENA 34:
[Hecate] Izumi Konata
ARENA 35: C.C.
[Hirasawa Ui]
ARENA 36: Hirasawa Yui
[Nakano Azusa]
ARENA 37:
[Katsura Hinagiku] Saber
ARENA 38: Sakamoto Yūji, Kirishima Shōko
[Tōyama Kinji, Kanzaki H. Aria]