GutterGoblin's manga / #age gap(81)

Koutarou, an ordinary high school teacher known for being "boring," connects with his charming father-in-law, Koushi, and his beautiful student, Sayotani, who navigates multiple relationships. This love story explores the clumsy romantic endeavors of these three men across generations.

Yokoya Masumi gets aroused from being watched, that's why he started working at a crossdressing bar as Jun. One day, he gets discovered by Hondou Keigo, a kouhai who joined recently but already makes Yokoya go crazy with his stares. // Kumabe Mizuki is openly gay and confides everything about his search for a good sexual partner to his also gay teacher, Miyazono Toyoaki. // Yanagawa Yoshiharu reunites with old friend Hirua Tomoki and doesn't hold back his curiosity after hearing a rumor that Tomoki is gay.

Hizuki Reiji is a seemingly normal high school teacher who moves to a new town for a substitute position, only to be embroiled in a mystery. The teacher he’s replacing vanished two weeks prior, and the troubled student, Magaki Kyoichi, was seen with a blood-stained knife the day before. As the investigation unfolds, questions arise about what really happened to Sakuraba-sensei and the roles Hizuki and Magaki may play in the unfolding drama.

The prequel to Kyoushitsu, no Yugami from Henai, describes the beginning of the characters' twisted teacher-student relationship.

A one-shot regarding the "relationship" between a teacher and his lonely, introverted student.

I, Anan Naoyoshi, joined Last Boss Korin, Co. in pursuit of Nobu-san, the game planner I’ve long admired. Things, however, are sour between us. Our strained relationship aside, we went on an overseas business trip. But then why are we on a desert island?! And as if that wasn’t bad enough, he now tells me we’re stuck in a game of his creation. Wait—we’re in a what?!

Yoshimoto Itsuki, a day trader who rarely leaves his house, decides to take a walk one day. He accidentally bumps into a student, Sumida Gen, causing him to drop his food. Moved by Gen's tears over his ruined meal, Itsuki buys him a new snack as an apology. From that day on, Itsuki can’t help but buy meals for Gen regularly.

Kusakawa often teased Yasukawa about his sex life, but when a flippant comment pushes Yasukawa too far, he surprises Kusakawa by turning the tables. Will this unexpected twist affect their relationship?

Masaki Tsuji is a divorced high school teacher in his early 30s. Lately, he's been running into a groper on his train ride to work. At first, he thought it was a mistake, but once the hand reached around the front, things started to escalate! He can't stop thinking about the perpetrator at school. When Souta, a student who usually gets good grades, hands in a blank test sheet, Masaki calls him in for a talk. They meet after school, and once Souta confirms that they're alone, he goes in for a kiss! Souta whispers to a panicking Masaki. Souta ties him up and starts playing with his body!

Strait-laced office worker Ryota, overly serious and traumatized by a past incident, finds himself at a special club with his coworkers. When the alluring receptionist Sho enters his room, Ryota's resistance crumbles as he succumbs to Sho's dominating presence. Is he on the verge of becoming an obedient puppy?