Slow Motion wo Mou Ichido - Vol. 1 Ch. 3 - You're a Natural Color

[MangaDex]

 

[Aeliandil]

What's that code for?

 

[Kuraofmari]

Oh, god... I didn't even know pager code existed until I read this... Learned something new, even though it seems a bit complicated...

 

[fattkiong]

for those that interested to know whats the code mean
75 42 95 03 means it's もちろん(sure of course)
it's now many time you press on the keypad
7 five times mo
4 two times chi
9 five times ro
0 three times -n

https://detail.chiebukuro.yahoo.co.jp/qa/question_detail/q1115771556