[Eichi Kenkyuujo (Blank)] Omocha Kaihatsubu Joshu-chan no Sanzan na Nichijou [SCANMTL]

A bespectacled assistant with enormous breasts finds her short-haired supervisor’s praise of her sensitivity and stamina becoming a rigorous endurance test, complete with wrist cuffs, a bulky rigid toy, and a blunt order not to stop. Bound with her breasts exposed, she moves from flushed giggling to spiral-eyed bewilderment as praise, relentless stimulation, and repeated reminders that she failed to climax erode her professional composure. Blank’s lively panel rhythm, exaggerated Japanese sound effects, and candid rough translation keep the ordeal playful, while the supervisor’s delighted stare and every suggestive product adjustment leave the next experiment feeling dangerously unfinished.