Comparing this comic with the first one those two appear makes it clear that the artist has improved a damn lot (although I preferred the former style).
He's a big brother to be proud of.Amaziiing!My name is Furuya Hotaru.It's not...Ah! Onii-cha...M-Minagawa-san, you're too close...Today I become a high school freshman!!My big brother is also a student at this school.As a class representative, he keeps his class in order.Furuya-kun!!We're in the same class again, huh?!But I do feel sorry for him that he's so serious and diligent that he can't get a girlfriend, though.