Could've been 5/5 but lacking something (4/5)

Doctor(?) seme (younger) x teacher uke (older); co-workers
Aoki, a high school teacher, has motivation for little else than expending as little effort as possible. After being scolded by a senior teacher, he goes to the infirmary to check on a student that has been skipping class. There he shares his first real conversation with the eerily perceptive school nurse, Tengoku Manabu.

Subordinate pastry chef seme (younger) x bakery owner seme (older)
After losing his life as a soccer player to an accident, Hinata Shogo works at a patisserie run by his benefactor and long-time crush, Hanagiri Akira. Unable to convey his feelings, he thinks that being by the side of calm and gentle Akira is enough -- until one day, he witnesses Akira fighting on the streets in the middle of the night like a completely different person.

Fantasy, threesome; half-beast semes (older, lion and bear) x human uke (younger)
A 40 year old doctor living in Japan is suddenly transported to another world. And as a bonus, he's regained his youth! He almost loses all hope after being sold into slavery and experiencing the worst this world has to offer when, suddenly, he's saved by two handsome beastmen!?

Popular seme x lone wolf uke; same age, high school
Hanaura auto-proclaimed himself to be trash, and among other things, he chose to be alone in his classroom.However, all of the sudden, he is confessed by the most popular guy in school, Tsuzuki, who likes him?

Top student/Gentle and warm seme x cold-hearted 2nd top student uke; high school
Top students Kawase and Kurihara have been locked in an intense rivalry since the start of high school, unbeknownst to Kawase. No matter how hard Kurihara studies, he can’t seem to take the top spot. Kawase, taken aback by Kurihara’s hostile and self-damaging behavior, becomes determined to help him in any way he can.

High school seme (younger) x salaryman uke (older)
Thirtyish and gay, Kogawa Shouta has long delayed his first love. He gets drunk out of his mind and is cared for by the bursting-with-youth high schooler, Mikuni Mayu. He comes to his senses after making an unexpected love confession to Mayu.

Carpenter seme x Office worker uke (older)
Kudou and Satou meet at a mixer but end up spending the night together.
Satou seems to think Kudou is gay, but he denies...?

Both high school students and same age
After living in December 24th, Christmas Eve on endless repeat- Mokhwa seems to be the only one who's aware of the existence of the time loop. And on this repeated day, he spends time with his childhood friend 'Choi Gyun' despite having cut ties with him a long time ago.

"2 couples" -> leukemia patient uke x doctor seme (new love) and businessman/partner since high school seme (old love)
Zhishu and Jiang had been together since high school. Together, they started a business and experienced all kinds of ups and downs. Zhishu gave up his career to stay at home, while Wenxu Jiang gradually changed and began to indulge in merry-making. Zhishu got an incurable disease and gradually fell in love with Dr. Ai.

Alpha seme x beta-turned-omega uke (same age); university
Ordinary university student Kanade is a Beta. He secretly holds feelings for his neighbor and childhood friend Munechika. However, in this world, the typical trend is for an alpha and omega, and two betas to pair up. Because of that, Kanade thinks he’s not a match for Munechika who’s an Alpha, and stays with him as a friend. However, one day, Kanade feels a weird discomfort in his body…