PRED-181 My confession of raising my innocent sister into a semen-squeezing monster. Eimi Fuka.

I'm done for. There's no peace in this house. My sister goes, 'I've got a boyfriend! But I don't understand anything about sex… what should I do?' So I just taught her half-jokingly. Now she even sneaks into my room to suck out my semen when our parents are home. The bathroom isn't safe either. Lately, the days I can sleep properly are few and far between. Ah, today... I brought restraints. If this keeps up, I'll be dried up by my sister. Someone help【The text ends here】