[According to the rules, even if the story ultimately has no CP, a romance subplot means it must be categorized as romance.]
[You can read this without knowing the original story. There will be no romance before adulthood.]
The protagonists of most chuunibyou stories full of youthful memories are eighteen.
So on my eighteenth birthday, the world showed me favor too. Should I have a heart-pounding romance, or stay as ordinary as ever?
Of course it's an all-route, all-capture story!
Some clam-shell family members × n
Some killer tennis players × n
Some students from a technical college × n
[Warnings: poor writing, no-CP ending, plotlines that go nowhere]
Theme: I dedicate this book to my youth