Guess the kpop/soloist group from their song/s

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Across
  1. 2. 1billion views, what a life, telephone
  2. 5. beautiful, jealousy, love killa
  3. 7. mmmh, amnesia, reason
  4. 8. lovesick girls, boombayah, whistle
  5. 10. 100, jopping, tiger inside
  6. 11. play, gotta go, dream of you
  7. 13. dinosaur, happening,200%
  8. 14. i can't stop me, more&more, cry for me
  9. 15. cherry bomb, kick it, punch
  10. 16. the boys, gee, oh!
  11. 18. boy with love, butterfly, run
  12. 20. what a man, very very very
  13. 21. not shy, dalla dalla, wannabe
Down
  1. 1. electric shock, 4 walls, hot summer
  2. 2. obsession, the eve, kokobop
  3. 3. birthday, what you waiting for
  4. 4. get you alone, betcha, candy
  5. 6. nobody, why so sad, so hot
  6. 9. why not, heart attack, so what
  7. 12. make a wish, the 7th sense, work it
  8. 13. black mamba
  9. 17. gashina, noir, siren
  10. 19. thirsty, sexuality, move