Complex sentence: It is episodic, with each episode focusing on Fujita Hiroyuki's friendship with the other girls he meets at school but it does center around Kamagishi Akari's blossoming relationship with Hiroyuki.
Split into simpler sentences: It is episodic, with each one focusing on Fujita Hiroyuki's friendship with the other girls he meets at school. The overall story centers around Kamagishi Akari's blossoming relationship with Hiroyuki.