This might be Boku to Issho and not Ping Pong Club, by what I understand.
Wa-!But I will still do naughty thiiiiiiiing!Hiromi onii-chan, somebody is coming!!Wa-!! You are too loud!!Mm?
What is it?No Michealll~....It's seems like you have been abandonedDon't cry anymore, let's work it out togetherIt's just two kidsAh, look, look, somebody came out!