Ryoichiro
proper noun
If you only comprehend one guy, make that guy Ryoichiro.
The name 諒一郎 isn't very common, but it's worth learning because the kanji 諒 is used in lots of names, and both 諒 and 一郎 are names in their own right. So by learning this name, you should be able to read a whole lot of other names, too.
You learned all the readings in this name with the kanji. What could be easier to comprehend?
諒一郎って、あだ名とかあるの？
Ryoichiro, do you have a nickname?
諒一郎君と付き合うことになったんだ。
I've started going out with Ryoichiro-kun.
諒一郎は今、外出中です。
Ryoichiro is out right now.