“Koichi Wajima Boxing Exercise: Practical Training Methods for Creating an Ideal Body and Power: Train! Tone! Get Strong!” Koichi Wajima Price: 1000 yen This is a book by Koichi Wajima, who gained immense popularity among fans for his imaginative boxing, represented by his hard punches and frog jumps. In addition to punches, feints, and footwork, it also describes methods for weight loss and building condition.