Gift: Eternal Rainbow

Beneath an eternal rainbow that never moves, never fades, and apparently has a purpose, a small coastal town holds something called a 'Gift,' a once-in-a-lifetime magical wish that can be granted between two people who share a deep bond — and it's this magic that shapes the world Haruhiko calls home. That's already an interesting setup on its own, but then his non-blood-related sister Riko shows up after years apart and enrolls at his school, and suddenly the town's magic feels a lot more personal. Add in his childhood friend Kirino, who's been around the whole time, and you've got the classic situation where someone has to figure out where their heart actually sits. Gift: Eternal Rainbow is a 12-episode TV series from 2006 based on a visual novel, and it carries that era's DNA — harem-adjacent, school setting, emotionally sincere in ways that occasionally catch you off guard. The 'Gift' mechanic gives the romance a distinct edge; it's not just feelings, it's a choice with weight behind it. The tone shifts between warm slice-of-life comedy and genuinely tender drama without feeling jarring. If you liked Da Capo II or Tayutama: Kiss on My Deity, this fits right into that same emotional register. It's not trying to reinvent anything, but if you want a quietly romantic story with a soft fantasy hook and real emotional stakes underneath, this one delivers.