Did you know that after a year you cannot edit the gallery and only replace it with a new one? Coz I didn't. What a hassle.
Also sorry for "lewd arts", it's just that every time a word "jutsu" goes thru my mind - the naruto music starts playing and I lose an IQ.
Chapter 5 : Here, I had to separate actual "Jutsu" and "Lewd Arts", as the chapter half lewd, half fighting. The "shell jutsu" here seems to turn user's body into steel(?). But it also is implied, that it enhances user's spirit as well.
So chapter 6 is in now. That's exactly why I evade paticipating in medical experiments for money.
The name of the series is a reference to a Japanese belief that each syllable of a profession has a meaning. Here, "Bi" probably stands for "Bitch".