3rd clue: The main character has an older brother. The manager of the apartment building they live in has a crush on the brother, but the brother is kind of oblivious to it.
Ohh shana's art quality is so much colorful than that >o>
And nice guesses but nope
When I meant aired around the same time I meant aired around the same time slot.. early in the morning like the Saturday morning cartoon concept. XD