Never read anything from this site before. I think I found this on the Suiyoubi no Campanella Reddit since they have Galapagos listed at number five. At the very least it has some names that I'm not familiar with so I have some new music to check out.

https://overblown.co.uk/top-10-japanese-albums-of-2018/

1. Haru Nemuri – 春と修羅 (Noise Pop, Indie Pop)
2. Yuragi – Still Dreaming, Still Deafening (Shoegaze, Post-Rock)
3. Maison Book Girl – Yume (J-Pop, Art Pop, Field Recordings)
4. Sigh – Heir To Despair (Avant-Garde Metal, Progressive Metal)
5. Wednesday Campanella – ガラパゴス (Galapagos) (Art Pop, Hip-House, Tropical House)
6. Shinichi Atobe – Heat (Deep House, Outsider House)
7. Shuta Hasunuma & U-Zhaan – 2 Tone (Ambient Pop, Indie Pop)
8. Snail’s House – Snö/Ordinary Songs 4/L’été (Downtempo, Bitpop)
9. Keiji Haino + SUMAC – American Dollar Bill – Keep Looking Sideways, You’re Too Hideous to Look at Face On (Noise Rock, Experimental Rock)
10. Ichiko Aoba – qp (Contemporary Folk, Singer/Songwriter)