A high school student named Komori Yuu is bitten by a radioactive spider, which gives him spider-like powers. Yuu faces Japanese versions of villains such as Electro, the Lizard, and the Kangaroo in a darker take on the Spider-Man story.

Note: There are 5 different Japanese book releases of this series:

1. original 1976 Sun Comics (Asahi Sonorama) release - 8 volumes
2. 1986 Sun Wide Comics (Asahi Sonorama) release - 5 volumes
3. 1995 Asahi Sonorama release - 5 volumes
4. 2002 MF Bunko (Media Factory) release - 5 volumes
5. 2004 MF Comics (Media Factory) release - 5 volumes

The 2002 release is what's translated here on MangaDex.

Additional Amazon Buy Links:

• 1976: All 8, All 8
• 1986: 1, 2, 3, 4, 5
• 1995: 1, 2, 3, 4, All 5
• 2002: 1, 2, 3, 4, 5, All 5, All 5
• 2004: 1, 2, 3, 4, 5, All 5