Sorry for taking so long~

As always, just add 1 to every line here (e.g. 01-02 -> 02-03)
01-02 Taneshima Poplar (Working!!)
03-04 Jigoku no Fubuki (One Punch Man)
05-06 Asuna (Sword Art Online)
07-08 Shiodome Hakua (Ore ga Ojou-sama Gakkou ni "Shomin Sample" Toshite Gets-sareta Ken)
09-10 Mizuno Ami (Sailor Moon)
11-12 Mito Ikumi (Shokugeki no Soma)
13-14 Yoshizuki Iori (I"s)
15-16 Nanase Miyuki (Kindaichi Shounen no Jikenbo)
17-18 Nishino Tsukasa (Ichigo 100%)
19-20 Inoue Orihime (Bleach)
21-22 Inaba Kyouko (Jigoku Sensei Nube)
23-24 Atra Mixta (Gundam: Tekketsu no Orphans)
25-26 Sonoda Umi (Love Live!)
27-28 Kirisaki Chitoge (Nisekoi)
29-30 Mazaki Anzu (Yuu Gi Ou)
31-32 Aragaki Ayase (Ore no Imouto ga Konna ni Kawaii Wake ga Nai)
33-34 Shibuya Rin (THE iDOLM@STER CINDERELLA GIRLS)
35-36 Konjiki no Yami (To Love-Ru)
37-38 Sairenji Haruna (To Love-Ru)
39-40 Fumitan Admoss (Gundam: Tekketsu no Orphans)

Base +9, sapphire44 +8, Red of EHCOVE +52, observer1980 +21

I'm surprised this ancopan lacks Toujou Aya. She's pretty much the character that has appeared mostly consecutively.

Base +12, observer1980 +21