He's only like this at the beginning, largely due to his background.
Patience.
"Rias isn't coming back tonight...?" asked Vahn, his expression one of surprise before morphing into a concerned, slightly anxious frown as he asked, "Did something happen?"
Anime & Comics · Einlion
Nah. Things like this aren't a common fixture in the story due to Vahn being possessive. And if you're complaining about them being 'open,' you clearly aren't aware of the source material. The girls in DxD constantly have their boobs out without batting an eye.
"It would be my pleasure," responded Sona, cupping her hands together in front of her and offering a bow before approaching and linking her left arm through Vahn's right, guiding him to the area they had cordoned off for the bath and a makeshift lounge. Tsubaki followed close behind them while Koneko, after concluding she had probably monopolized him more than she should have, made her way over to where Issei, Saji, and Tomoe were seated. From her perspective, Saji was a pervert in the same vein as Issei, so while she would never allow either of the boys to touch her, she felt it might improve their spirits if she allowed them to bask in the glow of her topless form for a bit...
Anime & Comics · Einlion
Hella
Though William's father, Duke Ars Oirthear, was the 'Great Star of the East,' he was often away dealing with matters in the Capital or touring their domain to ensure things were running smoothly. As such, it was his mother, Dutchess Orianna Oirthear, who governed the estate and commanded the more than 3,000 Knights and 60,000 troops stationed to guard Astralis's eastern border.
Fantasy · Einlion
He isn't indestructible.
'At this point, I wouldn't care even if Z became my wielder...' thought the katana, its true identity being that of Justin. He had actually been excited when he first awoke to find he was a sword, as it brought back memories from his first incarnation, but since the person who discovered him was an uneducated, talentless peasant whose ego grew faster than his ability, he now had a seemingly endless amount of time to process his regrets...
Fantasy · Einlion
Spoiler, it does.
Forcing herself to calm down, Rias looked at Vahn with slightly upturned eyes, surprising him by stating, "As much as I appreciate your desire to remain loyal, the...extenuating circumstances of Demonkind mean we are in constant search of powerful individuals to contribute their genes to the cause of replenishing our strength and numbers. Akeno is my Queen and someone who had pledged to serve me her entire life. As long as the two of you aren't sneaking around behind my back, you have my permission to pursue a relationship with her and any others aligned with our faction and House Gremory."
Anime & Comics · Einlion
Relax, man. He has very little experience with other people right now. That changes very quickly, narratively speaking.
Shaking his head and meeting Sona's gaze, Vahn honestly answered, "I just wanted to attend school. The...person who sent me here mentioned choosing Kuoh because it was a neutral zone, but I'm not sure what they meant by that..."
Anime & Comics · Einlion
Ye
"You're not just saying that to coax or placate me, right?" asked Aileen, reaching up to cup the sides of her rapidly warming face with her four-clawed, almost paw-like hands. This caused her breasts, each of which was larger than Vahn's entire body, to squish together, compelling him to wonder what it would feel like to be nestled between them.
Anime & Comics · Einlion
Nah
"Well...if that's the case...I...I'm happy to have you, S-Sis..." stammered Vahn, his face flushing red, prompting him to use his hands to conceal it as he added, "Please initialize the tutorial...!"
Anime & Comics · Einlion
Why post a gif of your birth?
EPIC: Path of Demons and Dragons
Anime & Comics · Einlion