Miss Downer Wants to Play

Miss Downer Wants to Play is a Manga/Manhwa/Manhua in english language, Comedy series, english chapters have been translated and you can read them here. You are reading chapters on the fastest updating comic site. The Summary is

What shall we play with today, young one?". With these words, the worn-down-looking older sister accosts the grade school protagonist into yet another playful game. With her nostalgic toys, from Beyblades to yoyos to modern eccentricities like Youkai Watch and Duel Masters, she'll one up anyone twice her junior in the ways of play and enjoyment.