溺愛ボディメイク 〜ぽちゃ女子、年下トレーナーと「開発」セッション!?〜
1 volumes in print / Volume 1 to the latest
Vol. 1 / 2026年09月22日Japan now溺愛ボディメイク 〜ぽちゃ女子、年下トレーナーと「開発」セッション!?〜
Official synopsis
ぽっちゃりキャラを理由に「もにゅこ」というあだ名で呼ばれている食いしん坊女子の桃園にこ。 体形を理由に彼氏に振られてしまい、「変わって見返してやる！」と一念発起！ 1on1のパーソナルトレーニングに通うことに。 そこで出会ったトレーナーの年下男子・高野星くんは明るくて優しいワンコ系で、もにゅこの好みド真ん中。 さわやかなルックスと、鍛えられた筋肉…… 「トレーナーさんにエッチな気持ち持っちゃダメだ！」 煩悩を打ち消そうとするも、ふたりきりの空間に「トレーニング」で触れ合うカラダ。 ドキドキが止まらなくなってしまい……!?
Why it's worth a look
「溺愛ボディメイク 〜ぽちゃ女子、年下トレーナーと「開発」セッション!?〜」opens with a familiar sting: Momozono Niko, nicknamed for her fuller figure, gets dumped by a boyfriend who cites her body as the reason. Rather than sulk, she decides to prove him wrong, signing up for one-on-one personal training. It's a setup readers of romance manga will recognize, but the story doesn't dwell on humiliation for its own sake. Instead it uses that wounded pride as the spark that gets Niko into a gym and, more importantly, into a room alone with someone new.
That someone is Takano Sei, her trainer, younger than her, cheerful, warm, and exactly her type physically and temperamentally. The manga leans into the mismatch of professional context and personal attraction: Niko keeps reminding herself she shouldn't have impure thoughts about the man guiding her through exercises, and the story clearly enjoys watching that resolve crumble. The training sessions themselves become the engine of the romance, close physical contact justified by reps and form checks, tension accumulating through proximity rather than through dramatic declarations.
Readers who enjoy body-positive framing paired with a slow-burn crush will find a lot to like here. Niko isn't rewritten into a different body type to be desirable; the story treats her appetite and her figure as simply part of who she is, while her attraction to Sei is played earnestly rather than as a joke. The dynamic between an older, food-loving woman and a bright, encouraging younger man gives the pairing a gentle push-pull, with Niko usually the flustered one and Sei's easy warmth doing a lot of the heavy lifting emotionally.
This first volume seems focused on establishing that charged but still professional relationship: the ex-boyfriend's rejection, Niko's decision to change on her own terms, and the early sessions where her guard starts slipping around Sei. There's no indication yet of where the training regimen or the relationship goes from here, but the appeal is in that in-between space, the workouts that are ostensibly about fitness but keep turning into something else. For anyone drawn to romance built on repeated small moments of contact rather than big confessions, this volume lays that groundwork clearly.