The temptation that Sia use on Kenji was the ability of a higher succubi that attract there pray and make them obey.
When Lylia found Kenji and the twin sister she panicked cause she sees Sia at top of Kenji.
Lylia:" hey...what are you doing"
Lylia inhale the smoke that Sia use in that room.
Her consciousness become black and he fall asleep because of the temptation Sia use.
Lylia:" ugh...what si thi-...."
In the other hand Kenji can't escape cause of the temptation and the chain locking him.
Sia:" You are mine now human, if you didn't open that book this will never gonna happen, but what a luck I got a pray and master with unknown magic on him."
Kenji:" Stop now this nonsense this demon!."
Sia:" oh wow, how you can speak like that when your private part is like this huh!, master."
Sia touches Kenji's private part and his mind goes wild.
Sia:" so this is where you stock your unknown Mana huh, maybe I can help myself all day?."
Kenji can't escape when Sia sucking his private part and all of his stamina been drain cause of the exhaustion and he fainted again.
Kenji:"uhh...wait stop..."
Sia:"Hehe it was Delicious master go bask to sleep so that I can enjoy my meal."
"And I can focus on gaining back my mana."
The twin conscious came back when they heard some noice and moaning.
"Uhh..ugh...yeah that it.. I love it master."
Jyn & Jannia see Sia pounding her body to Kenji's private part and the temptation begone to affect them.
Sia:"Hey there girl's wanna join us."
Jyn:"Can we?"
Jannia:"Hey sis, we can't trust that demon!"
Jyn:"but this is our first time to try this kind of thing"
Jannia:"but!"
Jyn:"just trust your sister."
The twin approach Kenji's unconscious body and they touch Kenji's masculine body.
Jyn:" wow, so this men's body"
Jannia:" I don't know they have this kind physique"
Sia keep pounding her body to Kenji's.
Sia:"uhh..uhh..uhh...so girls wanna join us?"
The twin eyes begone to form a heart shape.
Jyn:"yes we want to try that thing you do!!!."
Jannia:" but that thing just was inside you body?."
Jannia ask Sia about how Kenji's thing get inside her body.
Sia:"ooh..this thing?, this thing is the most valuable part for men cause they can make a girl to woman there selves."
Jyn:"ohh just like that?, I want to be a adult woman"
Jannia:"me too please..."
The twin try to do the same as Sia when Lylia's consciousness camback.
Lylia:"uhh...what happen?"
"Huh?....what...are you three doing on Kenji's body?."
The Three shocked when they hear Lylia's voice and begone to panicked.
Sia:"we want to experience his unknown mana, so that we can enjoy his body."
Lylia angrily on Sia and use her skill "barrier" to protect Kenji's body form the three girls who want to consume Kenji's unknown mana.
But the twin break it and they grab Lylia hand and slammed her to the ground.
Lylia:"ugh..uhh, you two what are you doing this?."
Jyn:"we don't know either so don't ask us why!"
Jannia:" we just want to try being a adult woman"
Then Lylia use a Mana drain to Sia and knocked her off.
Sia:" uhh...what you done to my body?"
Lylia:"hehe, I just use a simple trick for you demon!"
The twin regain their mind and escape from the temptation.
Jyn:"Jannia what happened to us?"
Jannia:" I don't know either sis?"
Jyn:" hey!, boy wake up...slap...slap"
Kenji:" uhh, what happen?"
Lylia:" so your awake now huh!, even though you just flirting with this three without me knowing it?"
Sia cry and hug Kenji but the twin interrupt it
Jyn:" hey!, cat thief who are you"
Jannia:" sis I think that boy knows her?"
Sia trying to escape but Lylia stop her
Lylia:" hey!, demon where do you think your going huh!, you will pay for seducing my man."
Sia's reaction a bit scared but Kenji is a bit dense of what Lylia said cause he priorities his gaming.
....
Kenji's body has been drain an hour ago by Sia and he collapse again after he woke up.
Lylia:" hey!, there's no time for joking right?"
Jyn:" maybe he's exhausted because that demon drain all of his energy from the start"
Jannia:" sis was right!, you better go to the emergency room with him to check him up"
Lylia:" ok ok I will"
Kenji arm was on Lylia shoulder on their way to the emergency room when Kenji was murmuring something.
Kenji:"Abbie,Tanya,Mana I miss you three girls where are you, you'll doing fine right"
Then Kenji fall asleep on Lylia shoulder. But Lylia was angry cause all the name Kenji say was all was girls name.
Lylia:" who the heck are those three you miss huh!, pinch"
While Kenji asleep at Lylia shoulder Sia followed them cause she find a master at the very long time.
Sia:" hehe, if he became my master I will eat something delicious later."
Lylia look back and see's Sia's following them.
Lylia:" hey demon!, where do you think your going?, slap"
Sia:" mmm, can I join him? (with a grin smile)"
Lylia:" no you can't I know your goal bitch"
Sia:" ahh that's rude to call me bitch even though I have a name!"
Lylia:" so what that's you are!?"
Lylia:" welp, nevermind, just do not trouble him or else I will kill you!"
Sia:" okay, 'hehe'"
Lylia:" did you say something?"
Sia:" No?"
Lylia:" ok so help me with him to the emergency room"
Sia:"ok!"
Sia grab Kenji's arm to her shoulder and they walking through the hallway of the academy.
Sia and Lylia lay Kenji's body on the bed of the emergency room and they sit at the chair for observing Kenji if is he fine.
But Lylia got thirsty and want to get some fresh water from the cafeteria of the academy and let Sia observe Kenji atleast an minutes.
Lylia:" hey bitch?"
Sia:" I said my name's not 'bitch' it was Sia,Sia, what do you mind?"
Lylia:" I'm a little bit thirsty right now can you just keep Kenji's accompany just a minute?"
Sia:" owh..ok.. I will keep my promise to not do anything to him 'hehe' "
Lylia:" ok,wait did you just laugh?"
Sia:" no, it was just your imagination... sweating"
Lylia:" ok that's right I'm going now, take care of him"
Sia: "ok"
Lylia walk out of the room and goes to the cafeteria but Sia can't keep up her temptation and get at top of Kenji's body at the emergency room bed.
Sia:" hehe, now let's taste the main dish, while that bitch was away"