AV01

Sister's Revenge Training: Rikka Ono Uses Her Brother to Master the Art of the Creampie

Published: 2026-06-14 Product Number: MIDA-689 Product Number(DMM): mida00689
Actresses: Rikka Ono
Maker: MOODYZ
Dumped for her lack of skill, high-caste sister Rikka Ono turns her 'low-caste' brother into a 24-hour training dummy to perfect her technique, from blowjobs to deep creampies.

What happens when a perfect, high-status older sister is dumped for having poor sexual technique? She doesn't just cry about it—she finds a target for revenge and intensive practice. Rikka Ono turns her focus toward her socially awkward younger brother, deciding he is the perfect 'low-caste' dummy to help her sharpen her skills.

Rikka Ono starts the encounter with a sweet, unassuming look that masks her hidden agenda.
Rikka Ono starts the encounter with a sweet, unassuming look that masks her hidden agenda.

The setup is a delicious power dynamic: the confident older sister treating her brother as a mere tool for her self-improvement. What starts as a desperate attempt to fix her 'technique deficit' quickly spirals into a 24-hour marathon of obsession.

The training begins immediately as she takes charge, eager to sharpen her skills on her brother.
The training begins immediately as she takes charge, eager to sharpen her skills on her brother.

From Technical Practice to Sibling Obsession

Rikka doesn't hold back. She dives into the training with everything from 'cleaning' blowjobs to ball licking, making sure every sound is loud and every movement is precise. The taboo element only fuels the fire, as the boundaries between sibling affection and raw lust blur entirely.

Her focus is absolute, treating the session like a high-stakes practice for her future conquest.
Her focus is absolute, treating the session like a high-stakes practice for her future conquest.

As the hours pass, the dynamic shifts. The sister who was just 'practicing' finds herself becoming addicted to her brother's cock. The training ceases to be about the ex-boyfriend and becomes entirely about her own pleasure and dominance.

Between rounds, she leans in with a teasing smile, fully leaning into her dominant role.
Between rounds, she leans in with a teasing smile, fully leaning into her dominant role.

The intensity peaks with reverse sleep-fucking and a relentless series of creampies. She pushes her brother to his limits, demanding ejaculation after ejaculation until she is completely drenched in his seed.

As the 24-hour marathon continues, she abandons all hesitation to push her limits.
As the 24-hour marathon continues, she abandons all hesitation to push her limits.

The visual progression from a calculated training session to a messy, uncontrolled encounter highlights the true appeal of this scenario: watching the 'perfect' sister completely lose her composure and succumb to her own nymphomania.

The result of her relentless training is a total surrender, with cum leaking down her thighs.
The result of her relentless training is a total surrender, with cum leaking down her thighs.

By the end of the session, the hierarchy is destroyed. She isn't just a sister teaching a lesson; she's a woman completely possessed by the raw act of breeding.

Exhausted but satisfied, she clings to her target, the sibling boundary completely forgotten.
Exhausted but satisfied, she clings to her target, the sibling boundary completely forgotten.

Rikka Ono delivers a performance that perfectly captures the transition from cold calculation to desperate, cum-drunk obsession.

By the end, the 'practice' has turned into an obsession, leaving her completely addicted to his cock.
By the end, the 'practice' has turned into an obsession, leaving her completely addicted to his cock.