Heart Mark Oome. (2026)

His step-sister is an erotic manga artist. Reika usually relies on her step-brother, Yuu, for support while she works hard on her manga manuscripts, but once she finishes a manuscript, she can’t control her desires and transforms into a total slut! With her body aroused from drawing too many erotic scenes, she gives in to her instincts, unleashes her desires, and pounces on Yuu without hesitation! Today, just like every other day, she’s determined to milk him dry, shoving herself into every orifice she can find! There’s no resisting her step-sister’s relentless sexual assault…! (Source: Lune-soft, translated and edited)

Also known as

はーとまーく多め。

Format

OVA

Status

Releasing

Genres

Hentai

Studio

T-REX

AniList score

70/100

Main characters

Reika Saigawara, Akira Hoshino