"If you don't appease me, I'll give you a cleaver ending~"
Eliza wasn't joking about using Rin Ito as the prototype for her new protagonist; she genuinely intended to, but just like Rin Ito's doujinshi, it was only for reference. However... prototype is prototype, and adaptations can be completely fabricated. By the time she finished writing it, she could probably show it to Kaede, and Kaede wouldn't even recognize him.
Rin Ito smiled at the smug Eliza. "Then I'll draw you into a doujinshi?"
"You're repaying kindness with enmity!? You should be thanking me for making you my protagonist."
"So, how do you want me to thank you?"
"Well... how about accompanying me for research sometime?" As the words left her mouth, Eliza immediately covered her mouth. "Normal research, not that kind of research! You should be happy to help the world's most beautiful light novelist with her research~ And you can use the opportunity to gather your own material. Just don't draw the illustrations I need as lewd pictures!"
"Speaking of which... what are you planning to write about for your next book? I actually have some ideas about novels."
"Of course, the classic, canonical Isekai Harem Adventure!"
"Isekai? How about writing about someone who is reincarnated into another world, and the Goddess offers the protagonist a choice of divine artifacts, but the protagonist chooses to have the Goddess descend with him? Just as the protagonist thinks he's set, he finds out the Goddess is a blue-haired idiot... How does that sound?"
Eliza's eyes lit up when she heard Rin Ito's suggestion, and she quickly asked, "Not bad... and then?"
"Then there's a Grand Archmage who is poor and only knows one move—a finisher that consumes all her mana, leaving her to collapse afterward. Oh, right, she can actually cast spells without chanting, but when preparing her ultimate move, she also says some chuunibyou lines, just like you."
"And then? Hurry up!" Rin Ito could clearly see her excitement, and he continued.
"There's also a big-busted masochistic Knight, but because her masochistic interest is too strong, she only learned defense skills, so she can only take hits and not fight back."
Although Rin Ito didn't remember the specific details, he could roughly recall what he had watched in his previous life and could easily give her over ten ideas. It was just a rough outline anyway; Eliza could fill in the rest herself.
"I didn't think you had such talent. But... this is a harem novel, right? Did you plan the ending? An open ending?"
"A true Harem Ending, of course!"
"Hmm... then a harem ending must still have a main girl, right? Who is it? That idiot Goddess?" Eliza blinked and asked curiously.
"The flat-chested, chuunibyou Grand Archmage, of course... Why is your face so red?"
"Uweh... N-Nothing." Eliza's voice seemed to become a little more flirtatious. She gently pressed her hand against her burning cheeks, but she couldn't stop the heat in her earlobes or her frantically pounding heart... Flat-chested chuunibyou, was he talking about me!? Could it be that the chuunibyou Grand Archmage is based on me?
Is this... is this a confession!? D-D-D-Did he think I like philandering men just because I write harem novels? Impossible, absolutely impossible. There's no girl in real life who would like a philandering man like him!
"Th-They seem to be almost done washing... I-I'm blushing because I'm thinking about them turning into cat girls!" After saying that, Eliza stood up and escaped toward the bathroom. Rin Ito looked at Eliza's retreating figure with some confusion... Although he didn't know what she was thinking, she was most likely misunderstanding something!
Rin Ito also grabbed his backpack and followed Eliza toward the changing room. Eliza's mansion had a changing room that was quite a bit larger than Rin Ito's entire bathroom at home. Eliza casually tossed the inner garments and outerwear from the laundry basket into the washing machine... They likely wouldn't need them until they went home tomorrow anyway.
"I'm coming in~"
"No problem, big brother~" Rin Ito knocked on the door. After hearing Megumi Jinno's reply, he directly pushed open the bathroom door. White steam rushed out, and then the girls' cherry-blossom-pink skin, flushed from the hot steam, appeared before Rin Ito. Their skin was fair and tender, their nipples firm and flushed, and their tightly closed slits full and soft. However, what caught Rin Ito's eyes the most was the shy expression on their faces. Eliza's mansion's bathroom was very spacious. The built-in bathtub... or rather, pool was more appropriate. Although they weren't soaking in it today, Rin Ito estimated there would be more than enough space for all four of them, plus Eliza and himself.
"Ah~~" Maki screamed, covering her body with her hands. "Megumi, what are you doing! We weren't ready yet!"
"It doesn't matter~" Ami mischievously walked behind Maki and grabbed Maki's hands, preventing her friend from covering herself. She then spoke to Rin Ito in Maki's tsundere tone, "Mister~ How is it? Isn't she cute?"
"It's great, indeed..." Rin Ito's gaze fell on their four small butts. "Now that the outside of your bodies are clean, it's time for the inside."
Maki and Megumi Jinno looked shy, while Sagiri was eager to try... Sagiri had already reached her limit of being exposed and stared at in front of them; now it was their turn! Rin Ito took out the syringe connected to the plug and tube from his backpack, then looked at them.
"Who wants to go first?"
"Sagiri goes first!" Maki, Ami, and Megumi Jinno said in unison. Among the four, only Sagiri had experience being openly stared at. Although Ami had been looking forward to this for a long time, she was still a little hesitant.
"You... you guys..." Sagiri gritted her silver teeth and threw caution to the wind. "Fine, I'll go first!" Bending over, the flexible Sagiri easily grabbed her ankles, completely exposing her private area.
"Relax a little." Rin Ito put his finger in Maki's mouth to wet it with saliva, then gently touched the eye that had been open for longer than it was closed today. The skin was pink and tender, without any sign of pigmentation, just like a pair of lips.
"Why are you using my saliva! Can't you use your own!?" Although Maki said this, her gaze was fixed on Rin Ito's fingers as he massaged and relaxed Sagiri... This was the first time they had seen this kind of scene, and... in order to safely, pleasurably, and cleanly use the tail, they would also have to be treated like this later. The girls subconsciously swallowed.
Under the gaze of the four, Rin Ito filled a basin with warm water. After filling the large syringe with warm water, Rin Ito connected the tube, purged the air like an injection until warm water squirted from the tip of the plug, and then Rin Ito aimed the small plug at Sagiri.
"It's coming, relax a little." After a mischievous warning to Sagiri, Rin Ito applied slight pressure with his fingertip. After what felt like a soft 'pop,' the connection was complete. Watching the scale inside the syringe gradually decrease, the four girls subconsciously held their breath. They only exhaled after Sagiri had completely drank the fluid. At this moment, they all had one thought: Sagiri is truly amazing!