Justice and Sora are also very different compared to the manga. I’ll just say it straight out, in the manga, Justice is PEDO. At least that’s what it seems like. Afterall, Sora kisses him and then he gets… well.. a little out of control.. and Sora is the little blonde girl in the picture displayed above(right side). Justice is the guy with the glasses. Anyway, in the anime, Justice was more into Najimi, especially when Hoshi tried to get close to her(though he also was angry about it in the manga) and Sora and Justice’s relationship did not exceed holding hands and waving around like some lame kiddy couple. Tsuyuri is honestly not much different.
While the manga has a much more explicit tone to it, it is in fact much funnier. It’s basically a 4-Koma manga, with 4 volumes out so far. For those of you who do not know what 4-Koma is, it’s a 4-panel comic strip that usually involves gags or parodies. It’s very funny and usually builds up character development(though not much, since it isn’t a serious manga to begin with).