What would you like to edit?


Alternative Titles

Synonyms: 100 Days!!
Japanese: ひゃくにちかん!!


Type: Manga
Volumes: 4
Chapters: 54
Status: Finished
Published: Oct 2, 2015 to Oct 27, 2017
Genres: ComedyComedy, Slice of LifeSlice of Life
Authors: Nata, Kokone (Story & Art)
Serialization: Tonari no Young Jump


Score: 7.541 (scored by 979979 users)
1 indicates a weighted score.
Ranked: #23212
2 based on the top manga page. Please note that 'R18+' titles are excluded.
Popularity: #4308
Members: 2,987
Favorites: 17
Ranked #2321Popularity #4308Members 2,987
Add to List
Volumes: /4
Chapters: /54
buy from amazon
* Your list is public by default.


High school student Shuto is looking forward to being free and at ease, while his parents are working overseas. The only problem is, things don't exactly go as planned when he finds a five-year-old girl in his house. As it turns out, the girl's mother is a colleague of his parents and is traveling overseas with them and has left her daughter in his care for the next three months!!

(Source: Batoto)


No background information has been added to this title. Help improve our database by adding background information here.


More reviewsReviews

Jul 13, 2020
Phloup (All reviews)
Taking care of children is never easy, especially if you're a teenager with no siblings. Imagine how you would feel when you were told you are to take care of a child you've never met before. It might be hard at first, but as time goes on, they'll eventually become someone important to you. And that is what happens in Hyakunichikan!!, where we follow Shuto, a high schooler who suddenly has to take care of Chiho, a 5-year-old girl.

The story is as simple as it goes. There isn't much I can say, except that it's a fun and charming story about two individuals who grow read more

Recent News

Recent Forum Discussion

Poll: Hyakunichikan!! Chapter 4 Discussion
Stark700 - Oct 1, 2016
0 replies by Stark700 »»
Oct 1, 2016 10:24 PM
Poll: Hyakunichikan!! Chapter 3 Discussion
Stark700 - Aug 14, 2016
0 replies by Stark700 »»
Aug 14, 2016 1:59 AM