All-Time Favorites/Definite Re-Reads (5/5)

Young master seme (younger) x Butler uke (older)
Akihito Kuze became a viscount at the age of 10 after his father's death. Tomoyuki Katsuragi, his butler, has since managed all affairs yet became colder as Akihito grew older. Akihito fell desperately in love with Tomoyuki and is determined to discover the reason behind his butler's inexplicable behavior.

University friends(?) to lovers after time skip; Rich/CEO seme x Formerly-Poor/Hotel employee uke (same age?)
Shim Cheong-soon was a poor university student who studied hard to earn scholarships. Hyun Gonghyeon is rich and seemingly a piano prodigy. Their paths intertwined, and they hung out often. However, this affected Cheong-soon's studies, and he ended up losing the scholarship; Gonghyeon also left to study abroad. 10 years later, their paths meet again at the hotel

Rich seme (younger) x Uke (older)
Jaehyun may be the composed upperclassman on campus, but he secretly plays the hottest elven diva online with a love of pricey costumes. He meets Eunsung, a handsome first-year with deep pockets guarding his own secrets, at a school event. They connect instantly, but what begins as a sweet challenge becomes a risky game of affection on- and offline

Childhood friends to lovers; Gentle seme x jock(?) uke; Prequel to Kazoku Ni Narouyo
The story of how Kazuma and Chiaki end up together throughout middle and high school. The two and Tomoe (female friend) are basically siblings after her parents passed away. The three stick together and go through numerous emotional obstacles before confessing.

Gentle/quiet seme (younger) x More out-going uke (older); both in university
Receptioning the newcomers is a task for YuYang, and he ends up helping the unsociable and towering LiHuan, the kind of person that does everything to be disliked. But after better knowing each other, he discovers that the giant isn't that bad of a person at all...

Alpha/Section Chief seme x Beta/Subordinate Uke
Blue sea, beautiful island, in a short-sleeved shirt and shorts, blocking the pouring sunlight with those cool looking sunglasses…This moment of daydreaming is beta kim JuHyeok’s only pleasure on his way to hell. However, Lee Sihyun, his section chief, is attracted to him.

Architect seme (older) x office worker uke (younger)
After being heartbroken by his crush from college, Hoizumi ventures into the world of homosexuality. After frequenting a certain gay bar, he becomes friends with the master there. Tired of living in his apartment, Hoizumi has some luck and the Master of the bar offers to let him live in his second home. However, Hoizumi doesn't find out until after he moves that he will have a roommate named Asahi.

Sequel to Love Nest

Boss seme x subordinate uke
Kanou was driven to apathy after suddenly being rejected by a boyfriend who he never doubted their mutual feelings for. Living alone feels impossible but momentarily falling in love is even more frightening. And yet, being saved by a high school student brought excitement in him, and a course of events made his feelings waver towards his boss at work.

2 couples (both in university)
1st: older seme x younger uke -> (sexual x platonic) Wooseung is moved by an art made by his senior, Sunjin. After confessing, he finds out that Sunjin loves him in a different way?
2nd: same age, enemies to lovers (formative vs narrative aesthetics) -> Jaehee and Beomchul are enemies and approach art differently; however, the two start to gravitate to each other?