If you're looking for anime similar to Hikawa Maru Monogatari, you might like these titles.
Easy-going, cheerful, passionate and always ready to eat something delicious, mother Nikuko falls for the bad guys. Her happy motto: "Being ordinary is best of all." Naturally Nikuko's loud and bold spirit embarrasses 11-year-old Kikuko, her daughter. With nothing in common except living together on a boat at the port, a miracle occurs when their secret is revealed.
The story is about a 5-year-old girl who lived in just after World War II when people were struggle for living.
The official music video for Tandemoon Rendezvous from the album FAKE LAND, by FAKE TYPE.