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Last checked: July 31, 2017
Merman in My Tub (オレん家のフロ事情, Orenchi no Furo Jijō, lit. "The Circumstances in My Home's Bathtub") is a Japanese four-panel comedy manga series by Itokichi, serialized in Media Factory's Monthly Comic Gene since 2011. It has been collected in seven tankōbon volumes as of December 2017. An anime television series adaptation began airing in Japan on October 6, 2014. The manga has been licensed by Seven Seas for English release.
The four-panel manga begins with Tatsumi, a high-school boy who lives by himself. Then, a devastatingly handsome merman named Wakasa moves into the bathtub in Tatsumi's home. Wakasa is a bit self-centered but cute, while Tatsumi is cool but a busybody. The manga offers a peek into their lives together.