Astro Boy Vol 4

Astro Boy Vol 4 by Osamu Tezuka. An Action manga rated Teen, published in English by Dark Horse in 2002.

A grieving scientist builds a robot boy in the image of his dead son, then rejects him. Taken in by the kind Professor Ochanomizu, the robot, Astro, uses his incredible powers to protect both humans and robots. Osamu Tezuka's classic.