A shrine for my top 20 imouto, along with their strengths and weaknesses. This is based on imouto appeal, not necessarily favorite character.
Warning: Contains lots of bias.
1. Yuuki Mikan
Pros: Voiced by Hanazawa Kana, pineapple hairstyle, excellent hair length, great DFC, posterior loli, responsible, closet brocon, To Love-Ru character, pure imouto, strawberry pantsu, delicious marshmallow, moe
Cons: Censored in anime, lacks screen/page time, doesn't say onii-chan
2. Hasegawa Kobato
Pros: Voiced by Hanazawa Kana, gothic lolita dress, pure imouto, red contact lens, brocon, doted by Sena, great DFC, excellent hairstyle, An-chan, moe
Cons: Censored in anime, lacks screen/page time, doesn't say onii-chan
3. Tsutsukakushi Tsukiko
Pros: Voiced by Ogura Yui, pure imouto, loli, DFC, moe, emotionless moe, boy's shirt only moe, mahou shoujo form
Cons: Emotionless
4. Nana Astar Deviluke
Pros: Voiced by Itou Kanae, pure imouto, DFC, pettanko, twin-tails, jersey, fang, tsundere
Cons: Lacks screen/page time, little imouto vibe
5. Kousaka Kirino
Pros: Voiced by Taketatsu Ayana, onii-chan, tsundere, pure imouto, blue-striped pantsu, delicious marshmallow, model figure, otaku, siscon, brocon, Oreimo
Cons: Tall, dyed hair, might have ruined Kuroneko X Kyousuke
6. Itsuki Kotori
Pros: Voiced by Taketatsu Ayana, onii-chan, blue-striped pantsu, imouto dance, imouto-wake-up, twin-tails, brocon, spirit form
Cons: Lacks screen time, might have passed classic imouto prime
7. Kitashirakawa Anko
Pros: Voiced by Hidaka Rina, pure imouto, deredere, mochi puff cheeks, An!, moe
Cons: Lacks screen time, likes a creepy boy, no onii-chan
8. Momo Velia Deviluke
Pros: Voiced by Toyasaki Aki, pure imouto, harem starter, oppai
Cons: Bland hairstyle, very little imouto vibe
9. Sunohara Mei
Pros: Voiced by Yukari Tamura, pure imouto, mild brocon, eats princess crepes, onii-chan, moe
Cons: Lacks screen time, no arc, onii-chan is Sunohara
10. Kinomoto Sakura
Pros: Mahou shoujo, loli, moe, pure imouto, childhood favorite, deredere
Cons: Syaoran
11. Araragi Tsukihi
Pros: Voiced by Iguchi Yuka, pure imouto, kimono, delicious DFC, cute haircut, brocon
Cons: Lacks screen time, long hair is ugly
12. Kirigaya Suguha
Pros: Voiced by Taketatsu Ayana, oppai, oddly attractive hair, alternate form, brocon
Cons: Lacks screen time, technically not imouto, Leafa's hair is weird
13. Elucia de Lute Irma
Pros: Voiced by Itou Kanae, The World God Only Knows, fire trucks, moe
Cons: 300 years old, forced imouto, barely considered imouto
14. Gokou Hinata
Pros: Voiced by Hanazawa Kana, HanaKana vs. HanaKana, Oreimo S2 ep 8, loli, suspicious imouto
Cons: Lacks screen time, unknown character
15. Gokou Tamaki
Pros: Voiced by Ogura Yui, Oreimo S2 ep 8, moe
Cons: Lacks screen time, unknown character
16. Kyon no Imouto
Pros: Pure imouto, loli in a bag, Kyon-kun denwa
Cons: Sometimes annoying voice, one-dimensional
17. Tachibana Miya
Pros: Voiced by Asumi Kana, nii-nii, pure imouto, nishishi, brocon
Cons: One-dimensional, only cares about meat buns
18. Minami Chiaki
Pros: Voiced by Chihara Minori, ahoge, pure imouto, teardrop mouth, bakayaro, loli
Cons: Artstyle changes each season, not moe
19. Tsukuyomi Sasami
Pros: Voiced by Asumi Kana, pure imouto, @ganbaranai, otaku
Cons: Not moe
20. Takakura Himari
Pros: Mawaru Penguindrum, IMAGINE, alternate form
Cons: Somewhat bland character



















