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「哲也君。薄々気が付いてるとは思うけど、君は私達に監禁されてるの」「今日からこの、わたしの部屋は！キミとわたし達の愛の巣になるわけだ！」どこにでもいる大学生の不壇通哲也（ふだんどおり　てつや）はある日、知らない部屋で目を覚ます。

"Tetsuya. I think you've probably figured it out, but you're our captive." "Starting today, this room of mine will become our love nest – for you and for us!" One day, Tetsuya Fudandori, an ordinary college student you could find anywhere, wakes up in an unfamiliar room.

そこにいたのは、輝く銀糸の髪を持つ、涼天咲夜（りょうてん　さくや）と、作るごはんがやたら美味い、涼天咲月（さつき）の双子の姉妹。まったく面識のない美人双子に監禁された哲也は、夏休みを目前にして奇妙な監禁生活を強いられることに。

Waiting for him were the twin sisters: Ryoten Sakuya, with her shining silver hair, and Ryoten Satsuki, whose cooking is incredibly delicious. Imprisoned by these beautiful twin sisters he'd never even met, Tetsuya finds himself forced into a strange life of captivity just as summer vacation approaches.

「――俺はお前達に手を出さない！絶対に！」毎夜迫りくる姉・咲夜の猛攻に、待ち構えてましたとばかりに包み込む妹・咲月。『咲夜が哲也を愛している』ということ以外は明かされない監禁理由。そこには並々ならぬ事情があるようで――？

"I won't touch you two! Absolutely not!" As older sister Sakuya's nightly onslaught approaches, younger sister Satsuki embraces him as if she'd been waiting for the chance. The only reason for his confinement that's revealed is "Sakuya loves Tetsuya." It seems there are some extraordinary circumstances behind it all...?

哲也と美人双子の、ちょっぴり刺激的で、甘くスリリングな生活が今、幕を開ける……

Now, Tetsuya's slightly stimulating, sweet, and thrilling life with the beautiful twins begins...

果たして哲也はこの【愛の檻】から抜け出すことができるのか――！？

Will Tetsuya truly be able to escape this [Cage of Love]...!?

――え？抜け出さなくていい？

--Wait, he doesn't *have* to escape?

続編はこちら！是非よろしくお願いします。

https://ncode.syosetu.com/n3392fs/

The sequel is available here! Please give it a read.

https://ncode.syosetu.com/n3392fs/