The best replacement for arashi is kanjani8.

The best alternatives to arashi are rated as following:
★★★★★  kanjani8
★★★★  dbsk
★★★★  smap
★★★★  eng sub
★★★★  kat-tun
★★★  arashi
★★★  super junior
★★★  tvxq
★★★  akb48
★★★  kat tun
★★  gackt
★★  tohoshinki
★★  ikuta toma
★  code blue
★  yamapi
  ss501
  will smith
  miura haruma
  perfume

Your alternative for arashi is not listed? Suggest!
Speaking about arashi, one probably shouldn't forget about inoue mao.

Other search terms related to arashi and their ratings are:
★★★★★ inoue mao
★★ kara
★ smap
ikuta toma
toma
You have in mind a companion for arashi and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of arashi in all years. Click on graph for more.
arashi
kanjani8
dbsk