 If you liked
Kimagure Orange☆Road
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 ...then you might like
Hentai Ouji to Warawanai Neko.
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The 80's show Kimagure Orange Road has similarities with Hentai Ouji, with both involving a high-school love triangle and supernatural elements.
Things gets more similar towards the end:
*SPOILER* A time-travel to the past where they meet their younger selves. */SPOILER*