This is the second iteration of the Mugen Shinshi franchise and is generally referred to as Mugen Shinshi Bouken Katsugeki-hen. *Note: In 2007, volume 1 of Shinsouban Mugen Gaiden clarified the different versions of the story and iterations of the protagonist, Mamiya Mugen. This series was designated "Shounen tantei B version."*
In the third iteration of the Mugen Shinshi franchise we encounter an older and more serious version of the young detective Mamiya Mugen. Volume 1: 1. **Yuureisen** (幽霊船) 2. **Roufuufu** (老夫婦) 3. **Kyuuketsuki** (吸血鬼) 4. **Numa** (沼) 5. **Yuurei Fujin** (幽霊夫人) 6. **Kubiyashiki** (首屋敷) 7. **Harionago** (針女) Volume 2: 1. **Mokusei** (木精) 2. **Satori** (サトリ) 3. **Muma** (夢魔) 4. **Shoukouki** (昇降機) 5. **Kumo** (蜘蛛) 6. **Hanningyou** (半人形) Volume 3: 1. **Hanabi** (花火) 2. **Oni** (鬼) 3. **Hebi** (蛇) 4. **Yakai** (夜会) 5. **Ningyou Jigoku** (人形地獄) 6. **Tooi Michi** (遠い道) 7. **Tora** (虎) *Note: In 2007, volume 1 of Shinsouban Mugen Gaiden clarified the different versions of the story and iterations of the protagonist, Mamiya Mugen. This series was designated "Seinen tantei A version."*
This is the fourth iteration of the Mugen Shinshi franchise. *Note: In 2007, volume 1 of Shinsouban Mugen Gaiden clarified the different versions of the story and iterations of the protagonist, Mamiya Mugen. This series was designated "Seinen tantei B version."*
This is the fifth iteration of the Mugen Shinshi franchise. A guardian angel in black saves "me," who has inherited a huge inheritance, from a crisis. This collection contains a total of 12 stories serialized in Mystery Magazine. (Source: Hayakawa Publishing, translated) Included Stories: \- 電波塔 \- 女か虎か \- 木乃伊の恋 \- 瞬きよりも速く \- Shall We Dance? \- 暗くなるまで待って \- 渚にて \- 眠れる森の美女 \- 父、帰る \- 影が行く \- 長いお別れ \- 君の名は *Note: In 2007, volume 1 of Shinsouban Mugen Gaiden clarified the different versions of the story and iterations of the protagonist, Mamiya Mugen. This series was designated "Seinen tantei C version."*

