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Your girlfriend's younger sisterDiary full of risky thoughts lands in the wrong hands
Mila meant to keep her feelings on paper, but her sister's boyfriend has noticed the journal, and it is getting hard to hide what she is writing.
Filed Tuesday, October 6, 2026 · Taboo Desk · 10 episodes · Scandal 4/5
The story
Mila has a confession fit only for her journal: she wants her sister's boyfriend. Worse, her sister trusts her with him, and that trust is exactly the problem. Certain feelings can never be spoken aloud, so she puts them on paper. He catches her scribbling, asks what she is hiding, and teases her for putting things on paper that she wants him to notice. Mila snaps at him, but she also admits she likes how intimate it feels. Meanwhile, her sister keeps waiting for his reply. Mila is also a recurring Candy character, so she may turn up in other series.
The twist
Episode 2 stops hiding. Mila tells him the secret everyone already knows, and he begs her to stay quiet. She says she tried to fight it and stopped a while ago. He reminds her he is her sister's boyfriend, then says the car might be a quieter place to talk.
Developing story
Ten episodes, eight of them paid, and a family secret growing in every one. The paid chapters have to show what the diary, the car and the sister will cost.
Verdict: For the viewer who likes a slow burn, a guilty conscience and a diary with a lock that does not work.
Quick answers
Is Your girlfriend's younger sister free?
Partly: episode 1 plays on Candy with no account, and a free account opens episode 2. From episode 3 on it takes Premium and 12 tokens an episode.
How long is Your girlfriend's younger sister?
10 episodes, about 12 minutes in all. The paid part comes to 96 tokens.
When did Your girlfriend's younger sister come out?
Our check first saw it on Candy on October 6, 2026. Candy does not publish release dates, so that is the earliest day we can vouch for.
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