This is called "Kanji Sonic Men's Tee".
But, it would be more helpful if the title was actually telling you what the letters there say before you wore them around. It could be nonsense? This is an off white/pale gray tee with only shades of blue ink. It uses a lesser-used Japanese 'finger waving' classic Sonic, but one where his mouth is open as if he were scolding or maybe talking? The expression is kind of ambiguous here as to if he is annoyed. It spells out "Sonic" at the top, but a big blue bar down the left has likely several words in it, plus letters too. (Example: the last letter there is Mi--but the top 2 items are likely to be whole words) What does this say? You can write in for credit.
This is in adults sizes only, and is at Amazon in summer 2020.