On July 18, 2014 part two of the official guidebook Ace of Diamond Official Guide Book Ura was released. The release date was changed from May, 16th to July to add more content to this guidebook.
Included Sidestorys
- Kominato Ryousuke's Sidestory "Face"
- Todoroki Raichi's One-shot "Batman Under the Bridge"
Rankings
Physical ability
- Speed
- Kamiya Carlos Toshiki
- Kuramochi Youichi
- Todoroki Raichi
- Kondou Daiki(from Ugumori)
- Toujou Hideaki
- Stamina
- You Shunshin (10 km - 33 min 12.63 sec)
- Narumiya Mei (10 km - 34 min 03.88 sec)
- Tachi (from Osaka Kiryuu) (10 km - 36 min 12.33 sec)
- Yuuki Tetsuya (10 km - 36 min 40.17 sec)
- Sawamura Eijun (10 km - 38 min 01.98 sec)
- Power (back strength)
- Nagata Shouhei (from Seiko)
- Masuko Tooru
- Harada Masatoshi
- Takahiro Ōmae
- Miyauchi Keisuke
- Height
- Maki Yousuke (195 cm)
- Ogawa Tsunematsu (193 cm)
- is a tie between guys who are 186 cm:
- Weight
- Ogawa Tsunematsu (95 kg)
- Harada Masatoshi (90 kg)
- Maki Yousuke ( 87 kg)
- are guys who are 85 kg:
Offense and Defense
- Infield defense
- Kuramochi Youichi
- Kominato Ryosuke
- Shirakawa Katsuyuki
- Hirakawa Takahiro (from Ichidaisan)
- Kominato Haruichi
- Outfield defense
- Kamiya Carlos Toshiki
- Isashiki Jun
- Shirasu Kenjirou
- Miyagawa Teru (from Ichidaisan)
- Soyogi (from Inashiro)
- Glove handling
- Shoulder strength
- Slugger’s strength
- Nagata Shouhei (from Seiko)
- Todoroki Raichi
- Sano (from Seiho)
- Harada Masatoshi
- Masuko Tooru
- Batting eye
- Kominato Ryosuke
- Shirakawa Katsuyuki
- Kondou Daiki (from Ugumori)
- You Shunshin
- Shirasu Kenjirou
- Fighting strength
Pitching rankings
- Breaking balls
- Amahisa Kousei (slider, forkball and curveball)
- Narumiya Mei (slider, forkball and changeup)
- Tanba Koichiro (curveball and forkball)
- Sanada Shunpei (shuuto, cutter, two-seam)
- Manaka Kaname (slider)
- Guts on the mound
- Fielding
- Narumiya Mei
- Manaka Kaname
- Tachi (from Osaka Kiryuu)
- Iguchi Yuudai (from Inajitsu)
- Tanba Koichiro
Club members’ classes
- 1 year
- A - Toujou Hideaki and Kariba Wataru
- B - Furuya Satoru and Kominato Haruichi
- C - Sawamura Eijun, Kanemaru Shinji and Yoshikawa Haruno
- D - Kaneda Tadahiro
- E - Takatsu
- 2 year
- A - Kawakami, Shirasu, Natsukawa and Umemoto
- B - Miyuki Kazuya and Kuramochi Youichi
- C - Zono, Ono, Nakata, Asou and Seki
- D - Watanabe, Kudou, Higasa and Yamaguchi
- E - Kijima Rei and Mimura Ryota
- 3 year
- A - Yuuki Tetsuya, Kusunoki Fumiya and Fujiwara Takako
- B - Jun, Ryosuke, Masuko, Saito and Makihara
- C - Tanba, Miyauchi, Yamazaki and Kuwata
- D - Chris, Kadota and Sakai
- E - Endou and Tanaka
Seido Baseball Club Secret Rankings
Note: This rankings were made by the female managers.
- Intelligence
- Note: The worst two are Furuya Satoru and Sawamura Eijun.
- A person with a lot of friends
- Note: The most isolated guys are Miyuki Kazuya and Kuramochi Youichi. Miyuki with bad personality that tends to come out through words and Kuramochi whose appearence is scary.
- Skillful singers
- Tanba Koichiro
- Kijima Rei
- Umemoto Sachiko
- Isashiki Jun
- Oota-buchou
- Gamers
- A person who seems to become a big shot
- I want him as my little brother
- Kominato Haruichi
- Narumiya Mei (special appearance)
- Sawamura Eijun
- Toujou Hideaki
- Kanemaru Shinji
- I want him as my older brother