Onichichi ~Manamusume Kyousei Hatsujou~


TitleOnichichi ~Manamusume Kyousei Hatsujou~
Original title鬼父~愛娘強制発情~
AliasesEvil Father
LengthShort (2 - 10 hours)
DeveloperBlue Gale
PublishersBlue Gale
Onichichi After ~Nure Suke Airi to Am...
Same series
Onichichi 2
LinksWikipedia (ja), Wikidata, VNStat
Shops» JP¥ 5029 @ DLsite (jpn)
Related anime[DB-ANN] Oni Chichi (OVA, 2009)
[DB-ANN] Oni Chichi: Re-birth (OVA, 2011)
[DB-ANN] Oni Chichi: Re-born (OVA, 2011)
[DB] Oni Chichi: Rebuild (OVA, 2013)
[DB] Oni Chichi: Refresh (OVA, 2015)
[DB] Oni Chichi: Bacation (OVA, 2016)


Marina and Airi's mother divorced few years ago and got remarried recently to a young man. While Marina accepts her new stepfather, Airi detests him. Little do they know that really he's a pervert that sniffs their underwear and wants to make them his own by making a love drug that will turn Marina and Airi into a sex-hungry sluts.

[Modified from AniDB]

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Akitsuki Kouzou秋月 孝三
HairBlack, Shaggy
ItemsMobile Phone
RoleHusband, Non-blood-related Father, Not a Virgin, Researcher, Teacher
Engages inDrugging, Infidelity


The protagonist. A researcher who managed to create an aphrodisiac while experimenting on hormone secretion. He often gets called to teach at the school his step daughters attend.

After an accident where he was exposed to certain chemicals he became sexually impotent for a while, but regains it after seeing Airi and Marina. Soon after this he realized that he only gets aroused by younger girls, and he decides to marry Airi and Marina's mother in order to get closer to them.

Main characters

Side characters