UTD (read chapter 5). I thought at first the big young delinquent would be seme since the older salaryman was uke-type oyaji, meek and feeble but it was becoming clear that delinquent was gonna be uke from his acting like a virgin blushing maiden around older meek salaryman.
Hirata Yoshio x Midou Subaru. Uke x seme. Uke x uke. Older seme x Younger uke. 41 x 21. Age gap. 20 years. Sugar daddy x delinquent. Short x tall. Megane-kun seme. Little Old man seme. Unattractive seme. Meek seme. Uke-type oyaji seme. Reluctant seme. Spiky-haired uke. Classic Tsundere uke. Earrings uke. Piercings uke. Tall uke. Strong uke. Fall in love first uke. Aggressive uke (at first but once together waits for things to happen).
Saenai Oji-san to Ore-sama Yankee-kun