The main message of the manga is fundamentaly wrong. Aint no way this fuckward pedophile of an mc groom a child from 9 to fucking 16 year olds and fucking her, and it sure doenst help that the she STILL look like a 3rd after all that.
nah the mc is just mad ignorant and irresponsible when it come to love. he could just said to her that he doesnt feel that way and they can stay as friend but instead the mf just straight up running away.
The author really have good knowledge about table tennis, especially when depicting rallies. The MC is likely to be modeled after Timo Boll and you can see his signature blade with butterfly rubber on it.