Star Pupil, Dirty Mouth book cover by Jace Wilder
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Free MM Romance Book: Star Pupil, Dirty Mouth by Jace Wilder — Praise Kink, Age Gap, and a Mouth That Only Behaves When Put to Work

Want a free MM romance with praise kink, age gap heat, and a tutor who teaches way more than grammar? Star Pupil, Dirty Mouth by Jace Wilder is yours — completely free, no strings.

What’s the Book About?

Rafi Santos talks like the street, charms like a weapon, and is about to lose the best opportunity of his life because he can’t make his mouth behave in a formal interview. The promotion to Lisbon — the one that clears his mother’s debt — requires C1 fluency in ten weeks. His company hires him a private tutor.

Sebastian “Baz” Adler is precise, patient, and impossible to rattle. A former university lecturer who burned out on institutional politics, he now tutors professionals one-on-one in his lamplit home office. He’s seen every flavor of adult student. Rafi is a new category: raw talent, chaotic energy, and a whole body that lights up when someone he respects says good.

What starts as pronunciation drills and jaw corrections becomes something neither of them budgeted for. Baz discovers that praise — deployed with precision, withheld with discipline — unlocks something in Rafi that no teacher has ever reached. And Rafi discovers that the only man who’s ever made his filthy mouth behave is the one who puts it to work.

Why Readers Are Losing Their Minds Over This One

If you’ve ever searched for a free MM romance that actually delivers on the praise kink promise — not just a sprinkled “good boy” in chapter twelve, but praise as the structural engine of the entire relationship — this is the book that scratches that itch until it bleeds.

Baz doesn’t just compliment Rafi. He builds a literal reward system — graded homework, earned rewards, withheld for sloppiness — and what starts as a teaching tool becomes the most devastatingly erotic dynamic either of them has ever experienced. Every “excellent” is earned. Every “perfect” lands like a detonation. And the one time the praise gets suspended? That chapter will gut you.

The age gap (26/38) isn’t just a number — it’s the architecture. Baz has the composure of a man who’s survived an institution. Rafi has the chaos of a man who’s survived being underestimated. When those two energies collide in a lamplit office with a pronunciation drill and a thumb on a jawline, the result is one of the most combustible MM dynamics Jace Wilder has ever written.

The Tropes — If You’re a Trope Shopper, This Is Your Cart

Age gap (26/38) — the older man is a precise, controlled tutor; the younger is a chaotic, brilliant loudmouth
Praise kink — not decorative. Structural. The reward system IS the dynamic
Private tutor/student — adults, no institution, contracted and consensual
Grumpy/sunshine — except “sunshine” has teeth and “grumpy” cracks for exactly one person
Forced proximity — twice-weekly sessions in a lamplit office that gets smaller every chapter
Slow burn — the tension builds for five chapters before anyone’s mouth is used for anything unofficial
Dirty talk — as an actual language lesson. He makes Rafi repeat phrases while doing things to him
Bi awakening adjacent — Rafi’s bi, experienced, but has never been handled like this
HEA — these two end up in Lisbon with matching frames on the wall and a table that’s seen things

The Heat Level — Let’s Be Honest About It

🌶️🌶️🌶️🌶️🌶️ — Inferno.

This is not a slow burn that delivers one tasteful scene behind a closed door. This is a slow burn that delivers ten explicit scenes — on a desk, against a mirror, in a grading chair, on every surface the curriculum touches — with running commentary in two languages and a praise system that turns grammar drills into foreplay. The heat escalates with the relationship: from a charged throat-touch in chapter two to a mirror scene in chapter nine that readers have been calling “the single hottest thing I’ve ever read in MM romance.” If you want your free MM romance book to actually be spicy, this one doesn’t play.

Who Should Read This

You’ll love Star Pupil, Dirty Mouth if you’re looking for:

→ A free MM romance that’s genuinely full-length, not a novella with a cliffhanger
Praise kink romance where the kink is the plot, not a garnish
Age gap MM with a power dynamic that actually shifts — the student doesn’t stay the student
Tutor/student romance between consenting adults with a clear consent framework and no institutional gross
→ MM romance with emotional depth underneath the heat — this one has a real wound arc about being told you’re “wasted potential” your whole life, and the man who refuses to believe the report cards
Dual POV, first person — you get inside both heads, and Baz’s internal monologue (the “honest ledger”) is worth the read on its own

How to Get Your Free Copy

We’re giving away Star Pupil, Dirty Mouth for a limited time via BookFunnel. Grab your copy in epub, mobi, or PDF — delivered straight to your device, no hassle.

More from Jace Wilder

If you enjoy Star Pupil, Dirty Mouth, Jace Wilder has a deep catalog of high-heat MM age-gap romance waiting for you — including Say It Again, Sir (vocal coach praise kink), Office Hours, After Dark (professor/student dark academia), and The Older Man Next Door (forced proximity neighbors). Browse them all on the Jace Wilder author page or check out the full book page for Star Pupil, Dirty Mouth to read Chapter One free.

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