I'll Teach You Until You Cry(2019)

Naku made Oshiete Ageru

After going through a string of unfortunate events in his past, Ryousuke signs up for a gym membership in the hopes of making himself stronger. But when he meets personal trainer Souji and his beautiful hands, suddenly "getting stronger" isn't so high up on his list of priorities anymore! Is there a chance for them to ever get closer than just trainer and client? Meanwhile, there appears to be a dangerous serial assaulter on the loose...

(Source: Futekiya)