Rin: [If you can pass at least one subject in the exam two weeks from now, I'll give you a surprise.]
A surprise!?
On the other end of the line, in Ichika's apartment, Miku was doing her homework under Nanami's tutoring. She hid in the bathroom, biting her lip to suppress a giggle. Miku had always felt a bit inferior compared to her sisters. While her self-esteem wasn't as low as Shinju's compared to Sajuna, the kiss Rin gave her had restored her confidence.
Miku suspected that the kiss was partly to satisfy Ichika's cuckold fetish, but it had emboldened her to have a daring thought. If I satisfy Ichika's fetish, she's always number one in his heart. It's a betrayal that doesn't feel like one. But what if I actually steal him from her? What if he kisses me because he likes me, not just to turn her on?
Miku: [What kind of surprise?] Rin: [Study hard first, and I'll tell you then.]
The idea for Miku's gift came to Rin while he was chatting with Shinju. Since Shinju needed a cosplay outfit for her favorite character, and Miku loved Sengoku-era warlords, he could give her a custom-made set of armor.
Rin had no idea how much professional cosplay armor cost, but it didn't matter—it wasn't his money. Maruo Nakano had already provided a massive budget for his daughters. High-quality armor wouldn't be cheap; to make it look realistic yet light enough to wear, he might need to commission a film prop studio. Since Maruo was loaded, price was no object. He just needed to find a contact, which he planned to look into tomorrow.
After a brief chat, Rin told Miku to get back to her books. He put his phone down and focused on Mashiro, who was currently riding him. Mashiro, who rarely exercised, was panting heavily. Shallow moans escaped her pale teeth and pink lips with every bounce. Sweat matted her brilliant blonde hair against her flushed, damp skin.
Her legs were growing weak, and she was losing the strength to go up and down, settling for grinding her hips. While Rin had been busy on his phone, the heavy lifting had been all on her. But now...
Since Mashiro wanted to finish fast, Rin wasn't going to hold back. He gripped her slender waist, lifting her slightly and then slamming upward as she came down.
"Mmgh—! Ahhh!"
He used her without mercy, like a high-end masturbation sleeve. While she wasn't as extreme as Karen or Eriri, Mashiro had a bit of a masochistic streak; being treated like an object for pleasure excited her immensely. Rin didn't bother holding back his pace.
"Wait... stop," Mashiro gasped.
"Hmm?" Rin paused. Mashiro wasn't the type to play hard to get. Usually, she didn't ask to stop; she asked to be filled.
Resting her hands on his chest, she caught her breath. Then, she reached down, one hand in front and one behind, pinching the rubber ring at the base of the condom. She wasn't here to be filled today; she was here to collect a sample.
Rin continued to grind slowly inside her. Though not as violent as before, the deep friction made Mashiro's eyes glaze over, yet she didn't let go of the rubber ring. As Rin gave one final, powerful thrust upward, Mashiro felt her lower abdomen bulge slightly. Her extensive experience allowed her to maintain her posture; otherwise, everything would have leaked out.
She didn't get off him immediately. After recovering some strength, she kept her grip on the ring and let Rin lift her by the waist. As she rose, the condom slid off him, staying inside her along with a massive amount of his hot cum.
Mashiro didn't tie the condom. Instead, the moment they separated, she tightened her internal muscles to keep the condom in place, leaving only the rubber ring visible outside her pussy. After a short rest, she climbed off the bed and walked back to the other room with her legs pressed together.
As Mashiro returned, the girls all stared. They had heard the muffled sounds from next door. Even if they hadn't, the lingering flush on her face and her slightly swollen, reddened crotch told them exactly what had happened.
But wait... didn't she say she was going to get something? She's empty-handed. What did she bring back?
As Mashiro approached, they quickly noticed the rubber ring between her legs. Though Ryo and the others were virgins, they weren't stupid. They knew exactly what that rubber ring was.
Under their wide-eyed gazes, Mashiro reached down and pinched the ring.
Plop.
Like laying an egg, Mashiro pulled out the condom, which was stretched tight like a heavy water balloon, and held it out in front of Ryo.
Gulp.
Ryo swallowed hard. Was this the "missing piece" Mashiro talked about? Is she going to pour that all over me? There's so much...
Wait a minute... how is there that much!?
Ryo had taken health class. Books said a typical ejaculation was a few milliliters... this looked like half a soda can! No man could produce that much in one go, even if he did it ten times!
Ryo had seen Rin's body and his stamina at the script meetings. He'd only been in the other room for a short while. Even if he were a freak of nature, he couldn't break the laws of physics. That much fluid would mean he emptied his entire "tank" and part of his brain!
Mashiro must be teasing me again, Ryo thought. It's probably lotion or milk.
Frowning, Ryo reached out and took the condom. She felt a bit of disgust; even if the contents were fake, the condom had just come out of Mashiro's body, so the outside was definitely covered in her juices.
"You're going to pour this on me?" Ryo asked.
Mashiro nodded, impressed by how quickly Ryo caught on.
"It looks very realistic," Ryo muttered, trying to stay cool. "I've heard it smells like chestnut flowers... yeah, it actually smells just like the stuff from the other day." Ryo toyed with the condom balloon. "I guess it makes sense for a porn manga... do I pour it directly on my face?"
"No." Mashiro took the condom back and tied the end into a knot. To the girls' bewilderment, she took a pair of scissors and snipped off the reservoir tip. And then...
SQUIRT!
