Oyasumi Sex – Episode 4 (RAW)

Triggered by Yui's small lie about the confession, Akira began nightly visits to her room for intimate acts while she appeared asleep. Over time, their physical connection fostered genuine overlapping emotions, and soon they began making love even when both were awake, sharing passionate kisses and embraces in broad daylight. Akira, caught in the heat of the moment, repeatedly ejaculated inside Yui without protection. As he watched her body develop into that of a young woman, fear of pregnancy set in—he knew he couldn't risk it. He tried to purchase condoms, but overwhelming shame in front of others stopped him from completing the purchase. With no contraception, Akira started avoiding sexual contact to safeguard Yui, causing her increasing frustration and longing during their seemingly normal sibling days. One morning, unable to endure the distance any longer, Yui quietly slips into Akira's bedroom while he sleeps. Reversing their familiar dynamic, she gently awakens his body with touches and whispers, leading to an intense, mutual morning encounter filled with overflowing love and desire. The episode highlights their deepening emotional bond, the shift to conscious intimacy, and the lingering risk of their unprotected passion as their pure yet taboo sibling relationship grows ever closer.