Main character
Io Naruko鳴子 硫黄
- appearances
- 3
- appearances
- main roles
- 3
- main roles

Io Naruko at a glance
Io Naruko is a main character in Binan Koukou Chikyuu Boueibu LOVE!. Io Naruko's birthday is December 17. Io Naruko is voiced by Yuusuke Shirai in Japanese.
Also known as Battle Lover Sulfur.
Io Naruko: quick facts
- Role
- Main character
- Birthday
- December 17
- Blood type
- A
- Also known as
- Battle Lover Sulfur
- First appearance
- Binan Koukou Chikyuu Boueibu LOVE! (2015)
- Latest appearance
- Binan Koukou Chikyuu Boueibu LOVE! LOVE! LOVE! (2017)
- Japanese name
- 鳴子 硫黄
- Japanese voice
Yuusuke Shirai
Full Binan Koukou Chikyuu Boueibu LOVE! cast👤 Most popular characters
Who is Io Naruko?
No biography has been written for this character yet.
Io Naruko in numbers
- Rank in Binan Koukou Chikyuu Boueibu LOVE!
- #7
- of 25 characters, by favourites
- Appearances
- 3
- 3 as a main character
- On screen
- 2015–2017
- 3 years
Most-loved characters in Binan Koukou Chikyuu Boueibu LOVE!
AniList favourites
- En Yufuin77
- Ryuu Zaou61
- Yumoto Hakone37
- Kinshirou Kusatsu27
- Akoya Gero24
- Atsushi Kinugawa22
- Io Naruko17
- Wombat9
Show as table
| Item | Favourites |
|---|---|
| En Yufuin | 77 |
| Ryuu Zaou | 61 |
| Yumoto Hakone | 37 |
| Kinshirou Kusatsu | 27 |
| Akoya Gero | 24 |
| Atsushi Kinugawa | 22 |
| Io Naruko | 17 |
| Wombat | 9 |
Appearances by format
3 titles in total
- TV Series2 · 67%
- OVA1 · 33%
Appearances per year
New titles featuring them
Show as table
| Item | Titles |
|---|---|
| 2015 | 1 title |
| 2016 | 1 title |
| 2017 | 1 title |
Appearances
More characters from Binan Koukou Chikyuu Boueibu LOVE!
Io Naruko FAQ
What anime is Io Naruko from?
Io Naruko is a main character in Binan Koukou Chikyuu Boueibu LOVE! and appears in 3 titles in total, including Binan Koukou Chikyuu Boueibu LOVE! LOVE! and Binan Koukou Chikyuu Boueibu LOVE! LOVE! LOVE!.
When is Io Naruko's birthday?
Io Naruko's birthday is December 17.
Who voices Io Naruko?
Io Naruko is voiced by Yuusuke Shirai in Japanese.
What is Io's full name?
Io's full name is Io Naruko (鳴子 硫黄 in Japanese). Io Naruko is also known as Battle Lover Sulfur.
When did Io Naruko first appear?
Io Naruko first appeared in Binan Koukou Chikyuu Boueibu LOVE! (2015) and most recently appeared in Binan Koukou Chikyuu Boueibu LOVE! LOVE! LOVE! (2017).
What is Io Naruko's Japanese name?
Io Naruko is written 鳴子 硫黄 in Japanese.
Where can I watch Io Naruko?
Open the Binan Koukou Chikyuu Boueibu LOVE! page for licensed streaming links and the full episode list.














