YOU! YES!! YOUU!! THE ONE READING THIS PITIFUL QUESTION OF MINE, do you perhaps know of an...

Here you go http://www.mangago.me/read-manga/kimi_no_naka_ni/

I feel bad for you dude. Oh I'm sorry, I don't know with a recommendation but since I already read your pitiful question, I couldn't not reply. Why would you want tragedy to smear precious yaoi and shounen ai? Like perhaps the guys deciding that being gay will ruin their lives and so getting married to a girl kind of tragedy? I've wanted to read that kind as well...... and with the way "dakaretai otoko ichii ni odosarete imasu" is going, I'm expecting to be a random girl in the picture soon.

Yume Yume Shinjuu
no.6
that's all I have

http://www.mangago.me/read-manga/jikan_akima_jinbutsu/
http://www.mangago.me/read-manga/eien_no_aida_ni_miru_yume/
http://www.mangago.me/read-manga/meiou_hades/
http://www.mangago.me/read-manga/to_the_sea/
http://www.mangago.me/read-manga/pure_dakkang/
http://www.mangago.me/read-manga/kimi_no_kanaderu_hikari/
http://www.mangago.me/read-manga/ashita_shinu/
http://www.mangago.me/read-manga/shinju_bl/
http://www.mangago.me/read-manga/ame_ni_niteiru/
http://www.mangago.me/read-manga/koi_no_katachi/
http://www.mangago.me/read-manga/bl_of_the_dead/

1. Given ( I bawled my eyes out on this one)
2. Ashita shinu
3. Hana to ryuu
4. Hana no miyako de
5. Sora o daite oyasumi
6. The inheritance of aroma
7. Similar terms
8. Mods
I don't know if all of em have a tragedy tag but they all stand out on psychological tag

(●'◡'●)ﾉ

http://www.mangago.me/read-manga/golden_days/
http://www.mangago.me/read-manga/back_in_time_to_you/
http://www.mangago.me/read-manga/hybrid_child/
http://www.mangago.me/read-manga/500_nen_no_itonami/ (Not exactly tragic, but sad. Kinda bittersweet)
http://www.mangago.me/read-manga/hana_no_miyako_de/
http://www.mangago.me/read-manga/the_specific_heat_capacity_of_love/
http://www.mangago.me/read-manga/my_heaven/ (It can be taken as shounen-ai, yet it also can be taken as not shounen-ai.)

Finder
Jazz
Pendulum:kemonotobi