If you liked the Sumomomo Momomo manga, the Anime-Planet community thinks you'd like:
Both manga feature ninjas, arranged marriages and lots of other nonsense. If you read one and are looking for more, go check the other manga. Note that Sumomomo Momomo is probably better by far than Yuzu Chu.
Both Zippy Ziggy and Sumomomo Momomo feature an intelligent, but cowardly male lead who has a sneaky way of dealing with pople around him. In both cases they get involved with martial arts against their will. Did I mention that both of those series are hilarious comedies? If you liked on of those series, you'll probably going to like the other one too.