The Best Seasons of 49 Days with a Merman

Every season of 49 Days with a Merman ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of 49 Days with a Merman!

What will happen when a high-school student meets the domineering merman and live together for 49 days? Adapted from the manga series Merman in My Tub by Itokichi.