For the sake of clarity, here's a list of the custom content I used on his Sim.

Hair: Nightcrawler's Thunder hair (https://thesimsresource.com/artists/Nightcrawler_Sims/downloads/details/category/sims4-hair-hairstyles-male/title/nightcrawler-thunder/id/1327646/) Eyes: PralineSims' Stella Eyes N156, non-default version (https://thesimsresource.com/artists/Pralinesims/downloads/details/category/sims4-eyecolors/title/stella-eyes-n156-non-default-%2B-heterochromia/id/1441079/) and ANGISSI's Eyes - Adam (https://thesimsresource.com/downloads/details/category/sims4-makeup-female-costumemakeup/title/eyes-adam/id/1464471/) Eyelashes: Kijiko's 3D Eyelashes, Uncurled Edition (http://kijiko-catfood.com/3d-lashes-uncurled-eyelashes-edition/) Lips: Obscurus' Lips N11 (https://obscurus-sims.tumblr.com/post/179927639963/natural-lips-set-lips-n10-33-colors-all-ages) Skin: Obscurus' Skin N12 Overlay (https://obscurus-sims.tumblr.com/post/187755622783/skin-n12-24-colors-48-swatches-each-color-has-2) Skin details: Bobur's Eyelids 02 (https://thesimsresource.com/artists/Bobur2/downloads/details/category/sims4-makeup-female-skindetails/title/bobur-eyelids-02/id/1438257/), S-Club's WMLL thesims4 Facemask 2.0 (https://thesimsresource.com/artists/S-Club/downloads/details/category/sims4-skintones/title/s-club-wmll-thesims4-facemask-2.0/id/1271719/), Obscurus' Nosemask N10 Overlay (https://obscurus-sims.tumblr.com/post/184629124468/nosemask-n10-70-colors-all-ages-all-genders), Sims3Melancholic's Highlight #4 (https://sims3melancholic.tumblr.com/post/186198840827/overlay-lips-collection-contacts-46-highlight), Obscurus' Eyebags N04 (https://obscurus-sims.tumblr.com/post/182842744218/eyebags-n4-18-colors-all-ages-all-genders), Obscurus' Eyelids N03 (https://obscurus-sims.tumblr.com/post/168617117913/eyelids-n3-24-colors-teen-males-and-females), PralineSims' Mouthcorner N04 (https://thesimsresource.com/artists/Pralinesims/downloads/details/category/sims4-makeup-female-skindetails/title/mouthcorner-n04/id/1350181/)

Takahira is still a work in progress, so bear with me!