
Happy Mail
If you're looking for a date, try HapiMe! It's a matching app that allows you to meet someone on the same day. With over 35 million members, you can enjoy your ideal date for a variety of purposes, including dating and marriage hunting!
source:
Google Play

Happy Mail is an all-round dating app
launched in 2012
Other all-round dating apps in Japan
The dating app to connect serious relationships through real values & AI
Matching app is Omiai / dating/marriage hunting/love hunting
chat (translated automatically)
Find, chat and date people & singles nearby to make friends
Bumpy β International Dating
Dating app for chats and dates. Stream on Live. Meet singles. Enjoy flirts.