 If you liked
Poor Poor Lips
|
 ...then you might like
Kanamemo
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They are both 4 panel Manga, both contain bits of Shoujo-ai and they both have a lighthearted and enjoyable atmosphere about them.
If you read one of them, then you know it's a 4-koma shoujo-ai manga about a naive and poor girl who has no parents and soon finds a place to work. These two mangas mostly focus on funny short stories of the main characters' daily lives on their workplaces. Both of them are light-hearted, cute and have a relaxing atmosphere.
In addition for Poor Poor Lips I must say, there exists a seriously captivating plot with well-developed romance in it(which is something you wouldn't expect to see in a 4-koma manga. It starts especially after the first 20-25 chapters).