Australian Open: Tezuka's Skills Shocked the World

Wake up and go back to 2017! And got the golden finger - the ball god system! "Ding!" "System activation successful!" "Welcome the host to use the Ball God System!" "In order to help the host get through the novice stage, the host is asked to choose 1 from the following 3 novice gift packs!" "One: Proficient in English, all the abilities of Shiraishi Kuranosuke during the Tennis King National Competition!" "Two: Proficient in English, all the abilities of Tezuka Kunimitsu during the Tennis King National Competition!" "Three: Proficient in English, all the abilities of Fuji Shusuke during the Net King National Competition!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.