Gray to Blue no Ai made

Koutarou is a high school teacher whose unremarkable appearance and reserved demeanor have earned him the quiet reputation of being a thoroughly boring man. Despite his mundane existence, his life becomes unexpectedly intertwined with two vastly different individuals. The first is Koushi, his father-in-law, who defies his age by remaining effortlessly charming well into his fifties. The second is Sayotani, one of Koutarou’s own students—a strikingly beautiful young man whose youth allows him to drift carelessly from one romantic entanglement to the next. Though separated by significant differences in age and lifestyle, these three men find their lives intricately linked through Koutarou. Each navigates his own complicated feelings, bound together by circumstances that force them to confront emotions they are entirely unequipped to handle. Neither the seasoned older man, the ordinary teacher, nor the restless student possesses any real mastery over matters of the heart. Their shared journey unfolds as an unconventional romance, exploring the poignant reality that no matter how much time passes or how much experience one gains, love remains a clumsy, bewildering endeavor for all three of them.