(translated as "My Little Brother is Seriously Huge, Won't You Come See Him?" ) is a popular Japanese adult anime (hentai) OVA produced by the studio T-Rex and released in April 2021 . The title relies heavily on double-entendre and subverts typical slice-of-life anime tropes to deliver an explicit narrative centered around family dynamics and romantic complications.

ウチの弟マジでデカイんだけど見にこない？ Primary Genre Ecchi, Adult Comedy, Harem, Gyaru Romance Original Format CG Illustration Set / Digital Manga Volume Anime Adaptation Produced as a short-form adult anime by Studio T-Rex Characters and Dynamics

Within the community, Uchi no Otouto Maji de Dekain Dakedo Mi ni Konai? is generally praised for its crisp visual fidelity. Unlike standard entries in the genre that rush through character development, this OVA spends its initial runtime building up the awkward tension caused by the title's premise.