released on October 30, 2013.
![Heart Ereki (Type 4) [Ltd. Edition] [CD+DVD]](https://www.j-enta.com/fotos/2975.jpg "Heart Ereki (Type 4) [Ltd. Edition] [CD+DVD]") | Heart Ereki (Type 4) [Ltd. Edition] [CD+DVD]
Catalog: KIZM-90263 | | 1. | Heart Ereki (ハート・エレキ) | 4:58 | | 2. | Kaisoku to Doutaishiryoku (快速と動体視力) | 4:08 | | 3. | Seijun Philosophy (清純フィロソフィー) | 3:41 | | 4. | Heart Ereki (off vocal ver.) (ハート・エレキ (off vocal ver.)) | 4:58 | | 5. | Kaisoku to Doutaishiryoku (off vocal ver.) (快速と動体視力 (off vocal ver.)) | 4:09 | | 6. | Seijun Philosophy (off vocal ver.) (清純フィロソフィー (off vocal ver.)) | 3:44 |
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![Heart Ereki (Type 4) [Regular Edition] [CD+DVD]](https://www.j-enta.com/fotos/4438.jpg "Heart Ereki (Type 4) [Regular Edition] [CD+DVD]") | Heart Ereki (Type 4) [Regular Edition] [CD+DVD]
Catalog: KIZM-263 | |
![Heart Ereki (Type A) [Ltd. Edition] [CD+DVD]](https://www.j-enta.com/fotos/2974.jpg "Heart Ereki (Type A) [Ltd. Edition] [CD+DVD]") | Heart Ereki (Type A) [Ltd. Edition] [CD+DVD]
Catalog: KIZM-90235 | | 1. | Heart Ereki (ハート・エレキ) | 4:58 | | 2. | Kaisoku to Doutaishiryoku (快速と動体視力) | 4:08 | | 3. | Kiss Made Countdown (キスまでカウントダウン) | 5:17 | | 4. | Heart Ereki (off vocal ver.) (ハート・エレキ (off vocal ver.)) | 4:58 | | 5. | Kaisoku to Doutaishiryoku (off vocal ver.) (快速と動体視力 (off vocal ver.)) | 4:09 | | 6. | Kiss Made Countdown (off vocal ver.) (キスまでカウントダウン (off vocal ver.)) | 5:17 |
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![Heart Ereki (Type A) [Regular Edition] [CD+DVD]](https://www.j-enta.com/fotos/4439.jpg "Heart Ereki (Type A) [Regular Edition] [CD+DVD]") | Heart Ereki (Type A) [Regular Edition] [CD+DVD]
Catalog: KIZM-235 | |
![Heart Ereki (Type B) [Ltd. Edition] [CD+DVD]](https://www.j-enta.com/fotos/2976.jpg "Heart Ereki (Type B) [Ltd. Edition] [CD+DVD]") | Heart Ereki (Type B) [Ltd. Edition] [CD+DVD]
Catalog: KIZM-90239 | | 1. | Heart Ereki (ハート・エレキ) | 4:58 | | 2. | Tentoumu Chu! - Kimi Dake ni Chu! Chu! Chu! (君だけにChu!Chu!Chu!) | 4:14 | | 3. | Tiny T-shirt | 4:13 | | 4. | Heart Ereki (off vocal ver.) (ハート・エレキ (off vocal ver.)) | 4:58 | | 5. | Tentoumu Chu! - Kimi Dake ni Chu! Chu! Chu! (off vocal ver.) (君だけにChu!Chu!Chu! (off vocal ver.)) | 4:12 | | 6. | Tiny T-shirt (off vocal ver.) | 4:14 |
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![Heart Ereki (Type B) [Regular Edition] [CD+DVD]](https://www.j-enta.com/fotos/4440.jpg "Heart Ereki (Type B) [Regular Edition] [CD+DVD]") | Heart Ereki (Type B) [Regular Edition] [CD+DVD]
Catalog: KIZM-239 | |
![Heart Ereki (Type K) [Ltd. Edition] [CD+DVD]](https://www.j-enta.com/fotos/2977.jpg "Heart Ereki (Type K) [Ltd. Edition] [CD+DVD]") | Heart Ereki (Type K) [Ltd. Edition] [CD+DVD]
Catalog: KIZM-90237 | | 1. | Heart Ereki (ハート・エレキ) | 4:58 | | 2. | Kaisoku to Doutaishiryoku (快速と動体視力) | 4:08 | | 3. | Sasameyuki Regret (細雪リグレット) | 3:26 | | 4. | Heart Ereki (off vocal ver.) (ハート・エレキ (off vocal ver.)) | 4:58 | | 5. | Kaisoku to Doutaishiryoku (off vocal ver.) (快速と動体視力 (off vocal ver.)) | 4:09 | | 6. | Sasameyuki Regret (off vocal ver.) (細雪リグレット (off vocal ver.)) | 3:27 |
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![Heart Ereki (Type K) [Regular Edition] [CD+DVD]](https://www.j-enta.com/fotos/4441.jpg "Heart Ereki (Type K) [Regular Edition] [CD+DVD]") | Heart Ereki (Type K) [Regular Edition] [CD+DVD]
Catalog: KIZM-237 | |