
nacuN
nacuN shares the Romance genre and similar themes: Scuba Diving.
View detailsThe 5 best manga like IO — also known as mangas like IO — that readers recommend next.
If you loved IO, you're in for a treat. This Drama, Ecchi, Mystery manga (1999) is beloved for its Scuba Diving, Female Harem, Male Protagonist elements, and the titles below share that same DNA — handpicked based on community votes, overlapping genres, and thematic similarities. Each recommendation is ranked by reader affinity on AniList.

イオ
Taiyo Nakabiru went to Okinawa on a trip in pursuit of beautiful girls and his wish to go diving. When trying to hit upon a girl, she surprises him by saying that he killed her mother. It appears that she and her two sisters know him, even though he does not remember ever going to Okinawa before. After convincing the three sisters, Nagisa, Shibuki and Mio Miyara, to let him help them out with their work and to let him learn diving from them, Taiyo's childhood with the sisters slowly comes back to him, and certain strange events involving a mystical white whale begins to haunt them. (Source: Anime News Network)
Taiyo Nakabiru went to Okinawa on a trip in pursuit of beautiful girls and his wish to go diving. When trying to hit upon a girl, she surprises him by saying that he killed her mother. It appears that she and her two sisters know him, even though he does not remember ever going to Okinawa before. Af...
IO has 55 chapters.
IO belongs to the Drama, Ecchi, Mystery, Romance genres.
The top manga similar to IO include nacuN, Umi no Misaki, Grand Blue Dreaming. These share key genres and themes with IO.