Score6.72
Ranked#14,508
Popularity#25,079
Members585
- Type
- Manga
- Chapters
- 10
- Volumes
- 2
- Est. Read Time
- ~50m
- Status
- On Hiatus
- Authors
- Kikuta, Michiyo
- Serialization
- Nakayoshi
4 Favorites
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Miu Amano owns a box that her father gave to her five years ago just before he left. Every year on her birthday, he sends her a postcard, but this year is different. This year he sends a present—a key that fits the box's lock perfectly. Inside the box is a small device that transforms into a tiny ca...
Source: MyAnimeList