The Sunwolves are boosted by the return of captain and inside centre Harumichi Tatekawa for their match against the Sharks in Singapore.
Tatekawa is back from a knee injury he suffered during pre-season and takes over the captaincy role from hard-working back-row Ed Quirk.
In the other change to the backline, Ryohei Yamanaka comes in alongside Tatekawa at centre, replacing William Tupou in the starting XV.
Up front, Keita Inagaki and Shota Horie come in at loosehead prop and hooker respectively, with second-row Naohiro Kotaki and flankers Yoshitaka Tokunaga and Shuhei Matsuhashi also earning starts.
Sunwolves: 15 Kotaro Matsushima, 14 Shota Emi, 13 Ryohei Yamanaka, 12 Harumichi Tatekawa, 11 Kenki Fukuoka, 10 Yu Tamura, 9 Fumiaki Tanaka, 8 Willem Britz, 7 Shuhei Matsuhashi, 6 Yoshitaka Tokunaga, 5 Noahiro Kotaki, 4 Sam Wykes, 3 Yasuo Yamaji, 2 Shota Horie, 1 Keita Inagaki
Replacements: 16 Takeshi Hino, 17 Masataka Mikami, 18 Takuma Asahara, 19 Hitoshi Ono, 20 Rahboni Warren Vosayaco, 21 Keisuka Uchidam 22 Jumpei Ogura, 23 Yasutaka Sasakura
Date: Saturday, May 20
Venue: Singapore National Stadium, Singapore
Kick-off: 20:55 local (11:55 GMT)
Referee: Rohan Hoffmann
Assistant Referees: Aki Aso, Tasuku Kawahara
TMO: Minoru Fuji