Survival Rules in the Otherworld

You can directly go to the second volume)
I traveled through time, but it was a world of hentai.
Widow Yukino, studious Chizuru, beautiful girl Renka, vampire Kirie, elf princess seeking help, Takamine's aunt, and Lady Mira...
This world seems a little dangerous, but why do I feel that my skills seem even more dangerous?
[Judgment Dungeon: Blood for blood, night for night.]
[Magic essence: can make women feel the highest sense of happiness. ]
[Hypnosis: Ignore the power gap and make them obey.]
[World: What should we do during the time freeze?]
(Originally titled "Survival Rules in the Heroic World")