Summer When I Became an Adult: Episode 4 [Jirow]

Cast

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Category

Anime

Maker

メディアバンク

Released

2025-12-12

Based on the original work "Summer When I Turned 18" by Jiro, this is the fourth installment of an OVA adaptation! It features a beloved sister and a憧憬 for an erotic live-action video distributor. The story revolves around two sisters and their secret from when they were 18 years old... This production utilizes Inmo-otion technology to create a world view that can only be experienced in comics. [STORY] Shocking truth? The protagonist, Ryukyu Masumoto, discovers something unexpected about his sister Rinoko. He questions why she hasn't shown him her room for four years. The answer lies here... Determined, he opens the door and finds Rinoko's true nature revealed. He realizes that after realizing this, he feels a sense of liberation in the chaos. His feelings become even more intense as he realizes that their secret will continue to be kept even when they grow up. Based on "Summer When I Turned 18" by Jiro, this is the final episode of "Summer When I Turned 18".