Does the “glhf” mean Koichi is a starcraft player? No, wait, SC2 is popular in Korea not Japan. No, wait, gah! Focus!

Okay okay, from reading other people’s interpretations my thinking aligns with:

1. The person is male. (Elenkis)
2. I wa I ga is like I ____ MY ____ (Jacob VanDyke)
3. 生まれた日 Day (subject) was born (Day of birth) (光る青い玉)
4. I was thinking about my birthday.