u/smolbaka

Manga:

Lamp no Majin ni Onegai Suru Hanashi

https://x.com/hm_yuuri_eri/status/1850857262090260552?s=20

https://x.com/neoki_N0sleep/status/2087219676963275232?s=20

From the manga "Momiji to Kouyou"

Source:

https://x.com/FE_Heroes_EN/status/2084829245289927019?s=20

2nd picture:

https://x.com/minamon_fefe/status/2084945498025451558?s=20

Source:
Josou Danshi wa Skirt o Nugitai!

https://www.pixiv.net/en/artworks/147830805

https://x.com/naze236/status/2082025791119151490?s=20

https://x.com/A1I_NG/status/2079134201421402457?s=20

https://mangadex.org/chapter/87888918-2415-4b4a-99f4-647287b4ffd1

https://x.com/A1I_NG/status/2073680508039409989?s=20

https://x.com/niichi021/status/2078781922952818852?s=20

https://x.com/Charl_414/status/2078058464484671650?s=20

He is from the gacha game called "Twinkle Star Knights"

He has a sister and is a bit of a siscon lol

https://x.com/wanwangomigomi/status/2076579201587753241?s=20

https://x.com/Qlay_jp/status/2074056106725503147?s=20

https://x.com/satoricry2/status/2073602542928531803?s=20

https://x.com/yukino_0306/status/1909615389648339117?s=20

Knowing this subreddit, it's definitely the right... right?

https://x.com/Wonni__/status/2070932422271909969?s=20

https://x.com/Adventzx1/status/2070943654680953108?s=20

https://x.com/the_ribbon_hero/status/2070448288726458847?s=20