Tenshi no Mune ni, Sayonara no Hanataba wo: Yomei Minus na Watashi ga Shinu made ni Shitai 1-tsu no Koto

If you had one day left before disappearing from this world, what would you do? There’s a rumor about a beautiful girl who can reunite you with someone who has passed away. As your life force fades, she appears before you, introducing herself as Ai, an angel. Her mission: to grant the final wishe...

Source: MyAnimeList