YES, it is finished.
This is an original anime and all detected relations are finished. Check the release order section for a complete list of relations.
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
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Tenshi ni Narumon! tells the story of Yuusuke, an ordinary high school student whose life is turned upside down when a naive, newborn angel named Noelle literally falls into his lap.
Suddenly, Yuusuke finds himself living with a bizarre, supernatural family: a Frankenstein-like father, a mother obsessed with round objects, an invisible older sister, a teenage vampire brother, and an inventive younger sister.
Adding to the chaos is a powerful witch grandmother and her vulture familiar. Yuusuke, who was previously focused on getting the attention of a girl named Natsumi, now has to deal with Noelle constantly following him as she trains to become a full-fledged angel.
Noelle also has a mysterious guide named Michael, suggesting her journey to angelhood will be anything but simple. The anime seems to focus on Yuusuke navigating his new, unbelievably strange life while Noelle learns the ropes of being an angel.